Mumbai, Nov. 11 -- The domestic benchmark indices opened with marginal gains on Tuesday, tracking positive global cues and cautious investor sentiment ahead of key state election exit polls.

At the opening bell, the NSE Nifty 50 rose 42.65 points, or 0.17 per cent, to 25,617, while the BSE Sensex gained 136.17 points, or 0.16 per cent, to start at 83,671.52.

Experts noted that the markets are likely to remain cautious through the day as investors await the release of exit polls and updates on the recent blast in Delhi. The incident, which occurred on Monday evening, claimed over eight lives, but analysts said the market impact would likely be limited.

Ajay Bagga, Banking and Market Expert, told ANI, "Today there will be some worry on t...