Credit risk is the possibility that a borrower or counterparty will fail to meet its contractual obligations in accordance with agreed terms, resulting in financial loss to the bank. Since lending is the primary business activity of commercial banks, credit risk forms the largest component of overall banking risk. Credit risk cannot be completely eliminated because lending inherently involves uncertainty arising from economic conditions, borrower behavior, industry dynamics, and unforeseen events. However, banks can effectively manage and minimize credit risk through a combination of sound policies, advanced analytical tools, prudent lending practices, continuous monitoring, and regulatory compliance. Effective credit risk management not only safeguards the bank's profitability and capital but also contributes to financial system stability. The foundation of credit risk management is a well-defined credit policy. A bank's credit policy specifies lending objectives, risk appetite, target sectors, borrower eligibility, exposure limits, collateral requirements, approval authority, and monitoring procedures. A comprehensive policy ensures consistency in lending decisions and prevents excessive exposure to risky borrowers. However, even the best policies require periodic review to remain relevant in changing economic and regulatory environments. Credit appraisal is one of the most important tools for managing credit risk. Before granting loans, banks conduct detailed assessments of the borrower's repayment capacity, financial strength, business model, industry position, management quality, and future cash flows. The traditional approach involves analyzing the Five Cs of Credit—Character, Capacity, Capital, Collateral, and Conditions. Character evaluates the borrower's integrity and repayment history. Capacity examines the ability to generate sufficient income for loan repayment. Capital reflects the borrower's financial commitment. Collateral provides security against default, while Conditions refer to economic and industry factors affecting repayment. A thorough credit appraisal significantly reduces the probability of lending to unsuitable borrowers. Credit scoring and credit rating models have become essential tools in modern banking. Retail loans are commonly evaluated using automated credit scoring systems based on statistical models that analyze borrower characteristics such as income, employment, repayment history, debt obligations, and credit utilization. Corporate borrowers are assessed using internal credit rating systems that evaluate financial ratios, industry outlook, management quality, business risks, and cash flow stability. External ratings provided by agencies such as CRISIL, CARE, ICRA, Moody's, Standard & Poor's, and Fitch also assist banks in assessing borrower risk. These rating systems facilitate objective lending decisions, risk-based pricing, and regulatory capital calculations. However, excessive dependence on rating models may overlook qualitative factors or unexpected changes in borrower circumstances. Know Your Customer (KYC) and due diligence procedures are critical preventive tools. Banks verify customer identity, ownership structure, legal compliance, financial statements, tax records, and business activities before establishing lending relationships. Enhanced due diligence is particularly necessary for high-risk customers, politically exposed persons, and complex corporate structures. Proper due diligence helps detect fraud, money laundering, and misrepresentation that could increase credit risk. Collateral and security arrangements reduce potential losses in case of borrower default. Banks obtain various forms of security, including mortgages on property, hypothecation of assets, pledges of securities, guarantees, fixed deposits, and insurance assignments. Adequate valuation, legal enforceability, periodic revaluation, and proper documentation are essential to ensure that collateral retains its effectiveness. While collateral provides protection against loss, it does not eliminate credit risk because asset values may decline, legal recovery may be delayed, and liquidation may involve significant costs. Diversification is another important risk management strategy. Banks avoid concentrating loans in a single borrower, industry, geographic region, or economic sector. Portfolio diversification spreads risk across different customer segments, industries, loan products, and regions, thereby reducing the impact of localized economic downturns or sector-specific crises. Regulatory exposure norms also restrict excessive lending to single borrowers or borrower groups. Nevertheless, diversification may become less effective during systemic economic crises when multiple sectors experience simultaneous distress. Exposure limits constitute an essential risk control mechanism. Banks establish limits on individual borrowers, connected groups, industries, countries, and products. Internal limits are often