Mumbai, April 29 -- The Reserve Bank of India (RBI) on Friday announced new rules for conversion of small finance banks (SBFs) into universal banks, but it could be a year or two before an SBF applies for a universal banking licence. That's because AU Small Finance Bank, the only one of India's 11 SFBs that currently meets all the criteria, which include asset quality, profitability and net worth, is in the process of merging with Fincare SFB. The merger could take 9-12 months....