Mumbai, May 6 -- Indian stock markets opened on a cautious note on Tuesday, with benchmark indices trading flat as investors awaited key global cues, particularly the U.S. Federal Reserve's two-day policy meeting set to begin later today.

Geopolitical tensions between India and Pakistan also weighed on investor sentiment, even as foreign portfolio investors (FPIs) continued to pump money into Indian equities.

The Nifty 50 index opened at 24,500.75, gaining 39.60 points or 0.16 per cent. The BSE Sensex also edged higher, opening at 80,907.24, up by 110.40 points or 0.14 per cent.

Ajay Bagga Banking and Market Expert told ANI "India is seeing continued FPI inflows which is helping the Indian markets hold its own despite the geopolitical ...