Mumbai, Sept. 11 -- Indian stock markets opened almost flat on Thursday with a marginal decline in the opening session.

However, investors remained confident about the market outlook, supported by positive developments between India and the US, as well as the upcoming GST 2.0 rollout.

The Nifty 50 index opened at 24,945.50, slipping by 27.60 points or 0.11 per cent, while the BSE Sensex started the day at 81,217.30, down by 207.85 points or 0.26 per cent.

Market expert Ajay Bagga said Indian markets continue to show upward momentum, with IT stocks finally starting to participate.

"Exchange of conciliatory and complimentary messages on social media between President Trump and Prime Minister Modi helped lift market sentiment on hopes of...