The BSE benchmark index Sensex gained 60 points in opening trade on Wednesday on sustained fund inflows.
The 30-share index rose by 60.81 points, or 0.27 percent, to 21,893.42 points with power, banking, oil and gas, healthcare and metal stocks posting gains in early trade.
The 50-share NSE Nifty was also higher by 18.10 points, or 0.27 percent, to 6,534.75 in opening trade.
Brokers said buying activity picked up as foreign funds and retail investors engaged in enlarging their positions in fundamentally-strong stocks.
Firm Asian bourses following overnight gains on the US markets despite soaring global tensions over Crimea also supported the uptrend.
Among Asian markets, Japan’s Nikkei rose 0.59 percent while Hong Kong’s Hang Seng gained 7.83 points in the opening trade.