The scrip went up by 4.29 per cent to Rs 1,046.50 -- its 52-week high -- on BSE.
Shares of IndusInd Bank, however, fell by 2.85 per cent to Rs 1,700.10.
IndusInd Bank on Saturday said it will acquire country's second largest microfinance player Bharat Financial Inclusion Ltd (BFIL) and the transaction is expected to be completed in the next 10 months.
This would be the largest merger and acquisition in the microfinance space.
The merger will be effected through an all-stock transaction of BFIL into IndusInd through a Composite Scheme of Arrangement, he said.
Post merger, the new entity will have 4,000 branches and outlets and 16 million customers.