Indian Bank's MD & CEO, Binod Kumar, believes that interest rates have bottomed out and that retail deposit rates are likely to rise if credit demand stays strong. He tells Sangita Mehta the 3% net interest margins enjoyed by Indian banks are a luxury that may not last. Net interest margins (NIM) would be further crimped as India moves toward becoming a developed economy, he says. Kumar also outlines the lender's capital-raising plans ahead of Expected Credit Loss (ECL) norms, while explaining the rationale behind entering the wealth management business. Edited excerpts: