IDFC First Bank's weight in the Nifty Bank index is expected to increase, while other constituents will experience a slight decrease in their respective weights, said Abhilash Pagaria of Nuvama Alternative & Quantitative Research.

IDFC First Bank’s weight in the Nifty Bank index is expected to rise to 2.9% which will attract $39 million in passive inflows.

Post the merger completion, IDFC First Bank will remain the only entity and the shareholders of IDFC Limited will be allotted the shares of IDFC First Bank at a pre-determined ratio. There will be no change in the Directors or management of IDFC First Bank Limited.

IDFC First Bank is seen attracting $39 million in passive inflows due to the corporate action. HDFC Bank Ltd is expected to see $11 million outflows, followed by ICICI Bank ($10 million), SBI $4 million) and Kotak Mahindra Bank ($4 million).

IDFC First Bank will increase its weight in the Bank Nifty index after merging with IDFC Ltd on October 10, attracting $39 million in passive funds amid adjustments affecting other banks.