IDBI Bank IFSC Code PATNA-MAIN BRANCH Branch in PATNA can be used for internet banking for transferring funds between any two bank branches. This is IFSC Code for IDBI Bank PATNA-MAIN BRANCH Branch in PATNA allocated by RBI. Before using this PATNA-MAIN BRANCH Branch PATNA IDBI Bank IFSC Code, kindly cross check the respective bank website. This IDBI Bank PATNA-MAIN BRANCH Branch IFSC Code in PATNA supporting net banking has its unique IFSC code. PATNA-MAIN BRANCH Branch PATNA IDBI Bank IFSC Code is a unique code which helps to identity the bank location too. NOTE that only those branches of a bank which are approved by RBI can provide net transfer systems.