Mumbai, Sept. 17 -- Indian stock markets opened on a positive note on Wednesday, supported by easing geopolitical tensions and optimism around a possible US Federal Reserve rate cut.

Investors also took comfort from the first phone call between US President Donald Trump and Prime Minister Narendra Modi since June, which signaled improving relations.

The Nifty 50 index started the day at 25,276.60, gaining 37.50 points or 0.15 per cent, while the BSE Sensex opened at 82,498.97, up 118.28 points or 0.14 per cent.

Market experts pointed out that optimism is building around India as trade talks with the US have resumed. A US trade team is currently in India, and discussions lasting over seven hours were described as "positive" by both side...