The South Indian Bank Limited announced that Capital Planning and Infusion Committee of Directors of the bank approved the information memorandum for issuance of Rated, Unsecured, perpetual, Non-Convertible, Basel III Compliant, Tier I Subordinated Bonds in the nature of debentures bearing a face value of INR 10,000 with a base issue size of INR 3,000 million and a Green Shoe option to retain oversubscription upto to INR 2,000 million aggregating to INR 5,000 million on private placement basis.