Mumbai, Nov. 11 -- A valiant effort by the central bank to clamp down on fund diversion has pitted India's private sector banks against their public peers, opening up a rift in the Indian Banks' Association (IBA). The Reserve Bank of India (RBI) last month proposed that multiple banks cannot open current accounts for a borrower who owes Rs.10 crore or more to the banking system. The regulator said only two banks, that account for at least 10% of the banking system's exposure to the borrower, can open these accounts. The idea is to prevent a borrower from keeping his bank in the dark about the cash flows he receives in a current account maintained with the another bank. Private banks fear the that proposal, if implemented, will benefit their...