The Reserve Bank of India's (RBI) final guidelines on expected credit loss (ECL) are expected to significantly impact public-sector banks (PSBs) and mid-tier private lenders, while large private banks are better cushioned. Effective April 1, 2027, the guidelines mandate higher upfront provisioning, especially for unsecured retail loans, micro, small, and medium enterprises (MSMEs), and corporate exposures. Analysts project a capital impact of 60-80 basis points over four years and a potential profitability reduction of ₹50,000-60,000 crore ($6-7.2 billion USD). The Nifty Bank index dropped 1.5% in response to the news, reflecting investor concerns about increased provisioning requirements. Under the new framework, banks must classify loans based on credit risk, with significant increases in provisioning for Stage 1 and Stage 2 assets. While PSBs like Canara Bank and Punjab National Bank may face one-time capital impacts of 124 bps and 108 bps, respectively, large private banks such as HDFC Bank and ICICI Bank are expected to remain largely insulated due to their stronger capital buffers. The RBI has declined requests to delay the implementation of these norms, maintaining a minimum provisioning requirement of 500 bps for Stage 2 assets. Analysts believe that while the transition will be challenging, the overall impact on the banking sector's profitability will be manageable given the industry's robust capital adequacy ratios.