On Tuesday, Sebi introduced a stricter framework for equity index derivatives, including an increase in the minimum contract size, upfront collection of option premiums, and intra-day monitoring of position limits.

India's BSE said it will discontinue weekly derivative contracts linked to Bankex and Sensex 50, indicating the stock exchange operator will retain only contracts linked with its benchmark BSE Sensex,

On October 3, the BSE announced the discontinuation of weekly index derivatives contracts on the SENSEX 50 from November 14, and on the BANKEX from November 18. This decision follows recent guidelines from SEBI aimed at strengthening the equity index derivatives framework to improve investor protection and market stability.

SEBI announced new measures for the Futures and Options (F&O) trading. The measures have been announced in a bid to enhance investor protection. The new rules will come into effect in a graded manner beginning from November 20.

India's BSE will retain weekly derivative contracts linked to the Sensex after the country's markets regulator announced tighter rules for equity derivatives, two sources with direct knowledge of the matter said.