Friday, April 10, 2026

Financial Requirements of an Enterprise: Fixed Capital Requirements

 

Financial Requirements of an Enterprise:

Fixed Capital Requirements

Dr. S. Anthony Rahul Golden
M.Com., M.Phil., NET., Ph.D., MBA.,SET., NET., M.A., M.Sc. (Psy)., M.A.,  PGDBA., 

Asst. Professor of Commerce., 

Loyola College (Autonomous), Chennai - 34
Mobile No- 91+9176313545

https://yesrahul.blogspot.com/

https://orcid.org/0000-0001-8071-4801

Fixed Capital refers to the long-term funds required by an enterprise to acquire fixed assets that are used in the production and operation of business activities. These assets are not meant for resale and provide benefits over a long period.

Examples include:

  • Land and Buildings
  • Plant and Machinery
  • Furniture and Fixtures
  • Vehicles
  • Technology infrastructure

Fixed capital is invested at the initial stage of business and remains locked in the business for a longer duration.

2. Importance of Fixed Capital

Fixed capital is essential because it:

  • Establishes the operational base of the enterprise
  • Enables production and service delivery
  • Determines the scale of operations
  • Enhances long-term earning capacity
  • Creates competitive advantage

Without adequate fixed capital, a business cannot function effectively.

3. Factors Determining Fixed Capital Requirements

The amount of fixed capital required depends on several factors:

(1) Nature of Business

Manufacturing businesses require more fixed capital compared to trading or service firms. For example, an automobile manufacturing company like Tata Motors requires heavy investment in plant and machinery.

(2) Size of Business

Large-scale enterprises require more fixed capital than small-scale units.

(3) Technology Used

Capital-intensive technology increases fixed capital needs.

(4) Method of Production

Automatic production systems require higher investment than manual systems.

(5) Growth and Expansion Plans

Future expansion strategies increase initial fixed capital requirements.

(6) Location of Business

Urban or industrial areas may require higher investment in land and infrastructure.

(7) Government Policy

Regulations, licensing, environmental norms, and taxation policies influence capital investment.

4. Sources of Fixed Capital

Fixed capital is generally raised from long-term sources such as:

  • Equity Share Capital
  • Preference Share Capital
  • Debentures
  • Term Loans from Banks and Financial Institutions
  • Retained Earnings

In India, institutions like Industrial Development Bank of India provide long-term finance for fixed capital needs.

5. Fixed Capital vs Working Capital

Basis

Fixed Capital

Working Capital

Nature

Long-term investment

Short-term funds

Purpose

Purchase of fixed assets

Day-to-day operations

Duration

Locked for long period

Circulates frequently

Example

Machinery, building

Cash, inventory

 

Fixed capital is a fundamental financial requirement of an enterprise. It determines the business structure, operational capacity, and long-term growth potential. Proper estimation and efficient utilization of fixed capital ensure stability and sustainable development of the enterprise.

Financial Requirements of an Enterprise:

Working Capital Requirements

Working Capital refers to the short-term funds required for the day-to-day operations of a business. It is the capital needed to run routine activities smoothly.

It is generally calculated as:

Working Capital = Current Assets – Current Liabilities

Current assets include cash, inventory, debtors, and short-term investments.
Current liabilities include creditors, bills payable, and short-term loans.

2. Importance of Working Capital

Working capital is essential because it:

  • Ensures smooth daily operations
  • Helps in purchasing raw materials
  • Enables payment of wages and salaries
  • Maintains liquidity
  • Improves creditworthiness
  • Prevents business interruption

Even profitable companies may fail without adequate working capital.

3. Factors Determining Working Capital Requirements

(1) Nature of Business

Manufacturing firms require more working capital than service firms due to inventory and production cycles. For example, a large FMCG company like Hindustan Unilever Limited requires significant working capital to manage inventory and distribution.

(2) Size of Business

Larger businesses require more working capital due to higher operational volume.

(3) Production Cycle

Longer production cycles increase working capital requirements.

(4) Business Cycle

During economic boom, demand increases and working capital needs rise.

(5) Credit Policy

Liberal credit policy increases debtors and raises working capital needs.

(6) Inventory Management

Poor inventory management increases capital blockage.

(7) Seasonal Fluctuations

Seasonal industries require additional working capital during peak seasons.

4. Types of Working Capital

  1. Permanent Working Capital
    Minimum amount required throughout the year.
  2. Temporary (Variable) Working Capital
    Additional capital required during seasonal or peak demand periods.

5. Sources of Working Capital

Working capital is usually financed through short-term sources such as:

  • Bank Overdraft
  • Cash Credit
  • Trade Credit
  • Short-term Loans
  • Commercial Papers
  • Advances from Customers

In India, banks like State Bank of India provide cash credit and overdraft facilities to meet working capital needs.

6. Working Capital vs Fixed Capital

Basis

Working Capital

Fixed Capital

Nature

Short-term funds

Long-term funds

Purpose

Daily operations

Purchase of fixed assets

Duration

Circulates frequently

Locked for long period

Example

Cash, inventory

Land, machinery

 

Working capital is the lifeblood of an enterprise. Adeate working capital ensures liquidity, operational efficiency, and business stability. Proper planning and management of working capital are essential for the smooth functioning and financial health of an organization.

Source of Finance: Venture Capital – Nature & Process

Venture Capital (VC) is a form of long-term finance provided to new, innovative, and high-risk business ventures with high growth potential. It is generally provided by professional investors or venture capital firms in exchange for equity ownership.

Venture capital supports startups in sectors such as technology, biotechnology, fintech, and e-commerce.

For example, global venture capital firm Sequoia Capital has funded companies like Apple Inc. and Google LLC in their early stages.

In India, firms such as Accel actively fund startups.

2. Nature (Features) of Venture Capital

The important characteristics of venture capital are:

(1) Equity Participation

VC investors invest in exchange for shares (ownership stake).

(2) High Risk – High Return

Investment is made in risky startups, but returns can be very high if the venture succeeds.

(3) Long-Term Investment

Funds are invested for 5–10 years or more.

(4) Focus on Innovation

Primarily supports innovative, technology-driven, or scalable business models.

(5) Active Involvement

Venture capitalists provide managerial, technical, and strategic guidance.

(6) Exit-Oriented Investment

VCs plan to exit through IPO, merger, or acquisition after value appreciation.

3. Process of Venture Capital Financing

The venture capital process involves the following stages:

Stage 1: Deal Origination

Entrepreneurs submit business proposals to venture capital firms.

Stage 2: Screening

VC firm evaluates the feasibility, scalability, and risk of the project.

Stage 3: Due Diligence

Detailed investigation of:

  • Business model
  • Financial projections
  • Market potential
  • Management team

Stage 4: Investment Decision

If approved, terms and conditions are negotiated and investment agreement is signed.

Stage 5: Financing

Funds are released (often in stages based on milestones).

Stage 6: Monitoring & Support

VC actively participates in strategic decisions and monitors performance.

Stage 7: Exit

Venture capitalist exits through:

  • Initial Public Offering (IPO)
  • Merger
  • Acquisition
  • Buyback by promoters

4. Stages of Venture Capital Financing

  1. Seed Capital
  2. Start-up Financing
  3. Expansion Financing
  4. Bridge Financing

5. Advantages of Venture Capital

  • Provides risk capital without repayment obligation
  • Brings professional management support
  • Enhances credibility
  • Helps rapid growth

6. Disadvantages of Venture Capital

  • Loss of ownership control
  • Pressure for high returns
  • Strict monitoring

Venture capital is a crucial source of finance for innovative startups and high-growth enterprises. It promotes entrepreneurship, technological advancement, and economic development by providing not only funds but also managerial expertise and strategic direction.

Source of Finance: Business Angels

Business Angels (also called Angel Investors) are wealthy individuals who invest their personal funds in start-ups or early-stage businesses in exchange for equity ownership or convertible debt. They usually invest at the seed or start-up stage, when the business is too small or risky to attract venture capital. For example, entrepreneur Peter Thiel was an early angel investor in Facebook. In India, organized angel networks such as Indian Angel Network actively support early-stage ventures.

2. Features (Nature) of Business Angels

(1) Personal Investment

Angels invest their own money, not pooled funds.

(2) Early-Stage Focus

They provide funding during seed or start-up stages.

(3) Moderate Investment Size

Investment amount is usually smaller than venture capital.

(4) High Risk Tolerance

They invest in risky but innovative ideas.

(5) Mentorship Role

Angels often provide guidance, industry connections, and strategic advice.

(6) Flexible Terms

Investment conditions are generally more flexible than institutional investors.

3. Difference Between Business Angels and Venture Capitalists

Basis

Business Angels

Venture Capitalists

Source of Funds

Personal wealth

Institutional funds

Stage of Investment

Early stage

Growth/expansion stage

Investment Size

Smaller

Larger

Involvement

Informal mentoring

Structured monitoring

Decision Process

Quick

Lengthy due diligence

 

4. Advantages of Business Angels

  • Quick access to capital
  • Expert guidance and mentoring
  • Networking opportunities
  • Less formal procedures

5. Disadvantages of Business Angels

  • Dilution of ownership
  • Possible interference in management
  • Limited funding capacity

6. Importance of Business Angels

Business angels play a vital role in promoting entrepreneurship, innovation, and start-up ecosystem development. They bridge the gap between self-financing and venture capital funding.

Business Angels are an important source of finance for start-ups and small enterprises. They not only provide capital but also valuable experience and mentorship, helping businesses grow from idea stage to expansion stage.

Source of Finance: Crowdfunding

Crowdfunding is a method of raising small amounts of money from a large number of people, typically through online platforms, to finance a business venture, project, or social cause. Instead of depending on a single investor, funds are collected from the “crowd” via digital platforms. Popular global crowdfunding platform: Kickstarter
Indian crowdfunding platform: Ketto

2. Nature of Crowdfunding

(1) Online-Based Financing

Funds are raised through internet platforms.

(2) Small Contributions

Large number of people contribute small amounts.

(3) Wide Reach

Entrepreneurs can reach global investors.

(4) Low Entry Barriers

Startups and individuals can easily pitch ideas.

(5) Marketing + Funding

Acts as both funding source and promotional tool.

3. Types of Crowdfunding

(1) Donation-Based Crowdfunding

People donate without expecting returns (mainly for social causes).

(2) Reward-Based Crowdfunding

Contributors receive rewards or products in return.

(3) Equity-Based Crowdfunding

Investors receive shares in the company.

(4) Debt-Based Crowdfunding (Peer-to-Peer Lending)

Funds are provided as loans with interest.

4. Process of Crowdfunding

Step 1: Project Proposal

Entrepreneur prepares business idea and funding goal.

Step 2: Platform Registration

Project is uploaded to a crowdfunding platform.

Step 3: Campaign Launch

Campaign is promoted through social media and marketing.

Step 4: Fund Collection

Interested contributors invest or donate money.

Step 5: Fund Utilization

Funds are used for the stated purpose.

Step 6: Return/Reward (if applicable)

Investors receive equity, rewards, or repayment.

5. Advantages of Crowdfunding

  • Easy access to capital
  • No heavy collateral requirement
  • Market validation of idea
  • Brand awareness
  • Flexible funding options

6. Disadvantages of Crowdfunding

  • Risk of idea imitation
  • Uncertain funding success
  • Platform fees
  • Regulatory restrictions (especially equity-based crowdfunding)

7. Importance of Crowdfunding

Crowdfunding supports innovation, entrepreneurship, and social development. It democratizes finance by allowing ordinary people to become investors and supporters of new ideas.

Crowdfunding is a modern and innovative source of finance that enables entrepreneurs to raise funds directly from the public. It reduces dependency on traditional financial institutions and promotes inclusive financial participation.

Source of Finance: Commercial Banks

1. Meaning of Commercial Banks

Commercial Banks are financial institutions that accept deposits from the public and provide loans and advances to individuals and businesses for profit.

They play a crucial role in mobilizing savings and providing credit for economic development.

Example in India: State Bank of India
Global example: HSBC

2. Nature (Features) of Commercial Banks

(1) Deposit Acceptance

Banks accept various types of deposits such as:

  • Savings Account
  • Current Account
  • Fixed Deposit

(2) Lending Function

Provide short-term, medium-term, and long-term loans.

(3) Profit-Oriented

Operate with the objective of earning profit.

(4) Credit Creation

Banks create credit through lending activities.

(5) Regulated Institutions

In India, commercial banks are regulated by Reserve Bank of India.

3. Role of Commercial Banks as a Source of Finance

Commercial banks provide finance to enterprises in the following ways:

(1) Term Loans

Provided for purchasing machinery, equipment, or expansion.

(2) Cash Credit

Short-term finance against security of stock or receivables.

(3) Bank Overdraft

Allows withdrawal beyond account balance up to a limit.

(4) Bills Discounting

Banks discount bills of exchange to provide immediate funds.

(5) Working Capital Loans

Finance daily operational requirements.

4. Advantages of Commercial Bank Finance

  • Easily accessible source
  • Flexible repayment options
  • Suitable for working capital needs
  • Professional financial guidance

 

5. Disadvantages of Commercial Bank Finance

  • Requires collateral security
  • Interest obligation regardless of profit
  • Strict documentation and procedures
  • Risk of asset seizure in case of default

6. Importance of Commercial Banks

Commercial banks are the backbone of the financial system. They provide liquidity, facilitate trade, support industrial growth, and promote entrepreneurship.

            Commercial banks are a major external source of finance for businesses. They support enterprises by providing both short-term and long-term funds, thereby contributing to economic development.

Source of Finance: Government Grants

Government Grants are financial assistance provided by the government to individuals, startups, or businesses for specific purposes such as innovation, research, social development, exports, rural development, or MSME growth. Unlike loans, grants generally do not require repayment, provided the conditions are fulfilled. In India, grants are offered by bodies such as the Ministry of Micro, Small and Medium Enterprises and the Department of Science and Technology.

2. Nature (Features) of Government Grants

(1) Non-Repayable

Usually no repayment obligation if terms are satisfied.

(2) Specific Purpose

Granted for clearly defined objectives (e.g., research, export promotion, innovation).

(3) Conditional

Must meet eligibility criteria and comply with guidelines.

(4) Government-Funded

Funded by central or state governments.

(5) Monitoring & Reporting

Recipients must submit progress and utilization reports.

3. Types of Government Grants

(1) Capital Grants

For purchase of plant, machinery, or infrastructure.

(2) Research & Development (R&D) Grants

For innovation and technological development.

(3) Startup & Entrepreneurship Grants

To promote new business ventures.
Example: Startup India initiative.

(4) Export Promotion Grants

To encourage international trade.

(5) Subsidy Schemes

Financial support in the form of subsidies for specific sectors.

4. Process of Obtaining Government Grants

  1. Identify eligible scheme
  2. Submit application with required documents
  3. Evaluation and scrutiny by authorities
  4. Approval and sanction
  5. Fund disbursement
  6. Monitoring and reporting

5. Advantages of Government Grants

  • No repayment burden
  • Encourages innovation and entrepreneurship
  • Reduces financial risk
  • Improves business credibility

 

6. Disadvantages of Government Grants

  • Lengthy application process
  • Strict eligibility criteria
  • Compliance and reporting requirements
  • Limited funding availability

7. Importance of Government Grants

Government grants promote inclusive growth, support MSMEs, encourage research and development, and contribute to national economic development.

Government grants are an important source of finance, especially for startups, MSMEs, and research-based enterprises. They reduce financial burden and stimulate innovation and economic progress.

Source of Finance: Business Incubators

Business Incubators are organizations that support startups and early-stage businesses by providing financial assistance, infrastructure, mentorship, technical support, and networking opportunities during the initial stages of business development. They help transform innovative ideas into viable business ventures. In India, incubators operate under initiatives such as Startup India and institutions like Indian Institute of Technology Madras through its incubation cell.

2. Nature (Features) of Business Incubators

(1) Early-Stage Support

Focus on seed and start-up stage enterprises.

(2) Infrastructure Facilities

Provide office space, labs, internet, and administrative support.

(3) Mentorship & Training

Offer expert guidance, workshops, and skill development.

(4) Networking Opportunities

Connect startups with investors, industry experts, and markets.

(5) Limited Financial Support

Provide seed funding or help in securing external funding.

3. Objectives of Business Incubators

  • Promote entrepreneurship
  • Encourage innovation and technology development
  • Reduce startup failure rates
  • Support MSMEs and economic development
  • Generate employment opportunities

4. Process of Business Incubation

Step 1: Application

Entrepreneurs submit business proposals.

Step 2: Screening & Selection

Evaluation of idea feasibility and scalability.

Step 3: Admission into Incubator

Selected startups receive workspace and support.

Step 4: Development Stage

Mentorship, prototype development, and business planning.

Step 5: Funding Assistance

Guidance in obtaining venture capital, angel investment, or bank finance.

Step 6: Graduation

Startup exits incubator after achieving stability and growth.

5. Types of Business Incubators

  1. University-based incubators
  2. Government-supported incubators
  3. Private incubators
  4. Corporate incubators

Example: T-Hub – one of India’s largest startup incubators.

6. Advantages of Business Incubators

  • Reduces initial operational cost
  • Access to expert guidance
  • Increased survival rate
  • Better access to funding
  • Strong professional network

7. Limitations of Business Incubators

  • Limited duration of support
  • Selection criteria may be strict
  • Shared resources may limit independence

            Business incubators play a vital role in nurturing startups and innovative ventures. They provide not only financial assistance but also infrastructure, mentoring, and strategic guidance, thereby strengthening the entrepreneurial ecosystem.

1. Incubator Financing

Incubator Financing refers to financial and non-financial support provided by business incubators to startups at the early stage of development. The support may include seed funding, grants, subsidized infrastructure, mentorship, and investor connections. Incubators are often linked to universities, government bodies, or private institutions. For example, Indian Institute of Technology Madras supports startups through its incubation ecosystem under initiatives like Startup India.

Nature of Incubator Financing

  1. Seed-Level Support – Small financial assistance to develop prototype.
  2. Equity or Grant-Based – Some incubators take equity; others provide grants.
  3. Infrastructure Support – Office space, labs, internet, shared services.
  4. Mentorship Driven – Expert guidance and business training.
  5. Short-Term Association – Support usually lasts 1–3 years.

Process of Incubator Financing

  1. Application submission
  2. Screening & evaluation
  3. Selection & incubation agreement
  4. Seed funding & mentoring
  5. Growth support & networking
  6. Exit/Graduation

 

Advantages

  • Reduces startup risk
  • Provides professional guidance
  • Improves credibility
  • Easier access to investors

Limitations

  • Limited funding amount
  • Equity dilution (in some cases)
  • Time-bound support

2. Bootstrapping

Bootstrapping is a method of starting and growing a business using personal savings, internal cash flows, and minimal external funding. The entrepreneur relies on self-financing rather than banks or investors.

Nature (Features) of Bootstrapping

  1. Self-Financed – Uses personal funds or retained earnings.
  2. Low Initial Cost – Operates with minimal resources.
  3. Full Ownership Control – No equity dilution.
  4. Gradual Growth – Growth depends on revenue generation.
  5. High Financial Discipline – Efficient cost management required.

Sources of Bootstrapping

  • Personal savings
  • Family & friends
  • Advance payments from customers
  • Trade credit
  • Reinvested profits

Advantages of Bootstrapping

  • Full control over business
  • No repayment pressure
  • No interference from investors
  • Strong financial discipline

Disadvantages of Bootstrapping

  • Limited growth potential
  • High personal financial risk
  • Resource constraints
  • Slower expansion

Difference Between Incubator Financing and Bootstrapping

Basis

Incubator Financing

Bootstrapping

Source of Funds

Incubator support (seed/grant/equity)

Personal funds

External Support

Yes (mentorship & infrastructure)

No external institutional support

Ownership

May dilute equity

Full ownership retained

Risk

Shared risk

Personal risk

 

Incubator financing and bootstrapping are important early-stage financing methods for startups. While incubators provide structured support and limited funding, bootstrapping allows entrepreneurs to maintain full control with self-financing. The choice depends on business needs, risk appetite, and growth strategy.

Source of Finance: Buyouts

A Buyout refers to the acquisition of a controlling interest (more than 50% ownership) in a company by an individual, group of investors, or another company. Buyouts are usually financed through a combination of equity and borrowed funds. Buyouts are common in private equity transactions. For example, firms like KKR & Co. Inc. and Blackstone Inc. are globally known for large buyout deals.

2. Nature (Features) of Buyouts

  1. Acquisition of Control – Majority ownership is obtained.
  2. Combination of Debt and Equity – Often highly leveraged.
  3. Strategic Restructuring – Aim to improve profitability and value.
  4. Exit-Oriented – Investors plan to exit after increasing company value.
  5. Private Equity Involvement – Frequently executed by PE firms.

3. Types of Buyouts

(1) Management Buyout (MBO)

The existing management team purchases the company.

(2) Management Buy-in (MBI)

External managers buy and take control of the company.

(3) Leveraged Buyout (LBO)

Acquisition financed mainly through borrowed funds, using company assets as collateral.

(4) Institutional Buyout (IBO)

Private equity or financial institutions acquire the company.

4. Process of Buyout

  1. Identification of target company
  2. Valuation and due diligence
  3. Negotiation and agreement
  4. Arrangement of finance (equity + debt)
  5. Acquisition and transfer of control
  6. Restructuring and value enhancement
  7. Exit (IPO, resale, merger)

5. Advantages of Buyouts

  • Improves operational efficiency
  • Aligns management incentives (in MBO)
  • Potential for high returns
  • Business restructuring and revival

6. Disadvantages of Buyouts

  • High debt burden (in LBO)
  • Financial risk
  • Possible job losses
  • Pressure for short-term profitability

7. Importance of Buyouts

Buyouts are an important source of finance and corporate restructuring tool. They help in ownership transition, business turnaround, and strategic expansion.

Buyouts involve acquiring controlling interest in a company using equity and borrowed funds. They play a significant role in corporate finance, especially in private equity markets, by improving company performance and generating long-term value.

Evaluating and Choosing the Best Financial Sources

Selecting the most appropriate source of finance is a critical financial decision for any enterprise. The choice depends on cost, risk, control, flexibility, and business objectives.

1. Need for Evaluation of Financial Sources

A firm must evaluate financial sources to:

  • Minimize cost of capital
  • Maintain financial stability
  • Avoid excessive risk
  • Ensure adequate liquidity
  • Achieve long-term growth

Poor financing decisions may lead to insolvency or loss of control.

2. Factors for Evaluating Financial Sources

(1) Cost of Finance

Includes interest, dividend, flotation cost, and hidden charges.
Lower cost sources are generally preferred.

(2) Risk Involved

Debt increases financial risk due to fixed interest obligations.

(3) Control Consideration

Equity financing may dilute ownership control.

(4) Flexibility

Source should allow flexibility in repayment and restructuring.

(5) Purpose of Finance

  • Long-term needs → Equity, debentures
  • Short-term needs → Bank credit, trade credit

(6) Nature and Size of Business

Large corporations may access capital markets, while small firms rely on banks or angel investors.

(7) Stage of Business

  • Start-up → Bootstrapping, Business Angels, Venture Capital
  • Expansion → Term loans, Equity shares
  • Maturity → Retained earnings

(8) Legal and Regulatory Requirements

Financing must comply with government and regulatory norms.

3. Comparison of Major Sources

Source

Cost

Risk

Control

Suitability

Equity Shares

High (dividend expectation)

Low

Dilution of control

Long-term growth

Debentures

Fixed interest

High

No dilution

Stable firms

Bank Loan

Moderate interest

Medium

No control loss

Working capital

Venture Capital

High return expectation

High

Shared control

Start-ups

Government Grants

No cost

Low

No dilution

Specific projects

Retained Earnings

No explicit cost

Low

No dilution

Expansion

 

4. Steps in Choosing the Best Financial Source

Step 1: Assess Financial Requirement

Determine amount and duration (short-term or long-term).

Step 2: Analyze Alternatives

Compare cost, risk, and control implications.

Step 3: Evaluate Capital Structure Impact

Maintain optimum debt-equity ratio.

Step 4: Consider Business Environment

Market conditions, interest rates, and economic trends.

Step 5: Select Optimal Mix

Adopt a balanced combination (Debt + Equity).

5. Principles for Choosing the Best Source

  • Principle of Cost Minimization
  • Principle of Risk Control
  • Principle of Control Retention
  • Principle of Flexibility
  • Principle of Profitability

Choosing the best financial source requires careful evaluation of cost, risk, control, and business objectives. There is no single best source; the ideal decision depends on the enterprise’s stage, financial strength, and strategic goals. A balanced and well-planned capital structure ensures long-term sustainability and growth

 

 

 

 

Dr. S. Anthony Rahul Golden
M.Com., M.Phil., NET., Ph.D., MBA.,SET., NET., M.A., M.Sc. (Psy)., M.A.,  PGDBA., 

Asst. Professor of Commerce., 

Loyola College (Autonomous), Chennai - 34
Mobile No- 91+9176313545

https://yesrahul.blogspot.com/

https://orcid.org/0000-0001-8071-4801

 

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