In order to enhance market integrity and safeguard the interest of investors, SEBI and exchanges, have introduced various surveillance measures, such as reduction in price bands, periodic call auctions, and moving securities to the Trade to Trade segment from time to time. Some of the measures are as follows:

- Enhanced Surveillance Measure (ESM) Stage II: Scrips will be under Trade to Trade category with a price band of 2%, and the trading will be permitted on all trading days under Periodic Call Auction.

- Graded Surveillance Measure (GSM) Stage III: Scrips will be permitted for trading only once a week (Every Monday or the 1st trading day of the week) and an Additional Surveillance Deposit (ASD) of 100% of the trade value to be deposited by the buyer.

- Additional surveillance measure (ASM): Scrips will be undergoing an Insolvency Resolution Process as per the Insolvency and Bankruptcy Code (IBC) and the stock will trade only once a week (Every Monday or the 1st trading day of the week).

Below is the list of scrips that fall under the above categories: