Tamilnad Mercantile Bank IFSC Code CHENNAI-21 Branch in CHENNAI can be used for internet banking for transferring funds between any two bank branches. This is IFSC Code for Tamilnad Mercantile Bank CHENNAI-21 Branch in CHENNAI allocated by RBI. Before using this CHENNAI-21 Branch CHENNAI Tamilnad Mercantile Bank IFSC Code, kindly cross check the respective bank website. This Tamilnad Mercantile Bank CHENNAI-21 Branch IFSC Code in CHENNAI supporting net banking has its unique IFSC code. CHENNAI-21 Branch CHENNAI Tamilnad Mercantile 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.