Revised market timings from 18 Oct 10.

9 am to 9.08 am Pre-open session (only order accumulation, no execution)
9.08 to 9.12 (Only order execution at discovered price, all unmatched orders will be shifted to normal session) 9.12 to 9.15 (transition to normal session) 9.15 to 3.30 normal session.

Only SENSEX and NIFTY scrips will be available for trading in the pre-open session. All other scrips will be traded after 9.15 in the normal session.

You can place/modify/cancel orders during the pre-open session for enabled scrips.

Order accumulation or pooling will help in better price discovery and will reflect a better market sentiment in the opening price.

Futures and options will be traded only in the normal hours after 9.15 am

Please cross-check with your broker

Happy Trading !!!