Mumbai: IDBI Bank increases interest rates on NRE Deposits. Pursuant to the RBI guidelines on Liberalised Forex flows, IDBI Bank has announced to offer special interest rate offers on Non Resident External (NRE) Deposits. Bank has today announced that its Non-Resident customers can now avail additional 50 bps rate of interest on their NRE deposits for tenor of 1 year to 3 years. These revised interest rates on deposits will be applicable with effect from July 14, 2022.