The National Stock Exchange (NSE) on December 02, 2025, issued a notification regarding a revision in the Criteria for Nifty Indices & Additions to Nifty Bank.
The following has been stated: -
•NSE revised the methodology of Nifty Bank and Nifty Financial Services indices to align with SEBI’s new eligibility norms for F&O-traded indices.
•Key changes include stricter weight caps, inclusion rules for non-F&O stocks, and expanded stock count in Nifty Bank.
•Union Bank of India and Yes Bank will be added to the Nifty Bank index effective December 31, 2025.
•New rules for handling demergers include retaining the demerged company (if SPOS is held) and revised timelines for exclusion of spun-off entities.
The above changes in the treatment of demerger shall be made effective from December 15, 2025
The detailed notification is given in the document below.
