Indian frontline indices closed with marginal gains on Thursday ahead of the Q2 results of the country's largest IT services firm, TCS, to be released later in the day.
Inflation data from the US after market hours will also be a key monitorable.
At closing, Sensex was up 144 points, or 0.18 per cent, at 81,611 and Nifty was at 24,998, up 16 points, or 0.07 per cent.
Nifty Bank closed at 51,530 with a rise of 523 points, or 1.03 per cent, due to a rise in banking stocks.
In the Sensex pack, Kotak Mahindra Bank, JSW Steel, HDFC Bank, Power Grid, IndusInd Bank, Maruti Suzuki, NTPC, Axis Bank, M&M, UltraTech Cement, Bajaj Finserv, Tata Steel, ITC, Bajaj Finance, and Tata Steel were the top gainers.