IDBI Bank (Industrial Development Bank of India) is a major Indian public sector bank headquartered in Mumbai. Originally established in 1964 as a development finance institution to support industrial growth, it was later transformed into a commercial bank. IDBI Bank offers a wide range of financial services including savings and current accounts, personal and business loans, credit and debit cards, investment products, merchant banking, and digital banking solutions. It serves individual and corporate customers across India with a large branch and ATM network.