The Sensex increased by about 125 points, while the Nifty50 opened at the 17550-mark, spurred by gains in the auto, FMCG, and pharmaceutical industries.
Ahead of the Reserve Bank of India's (RBI) policy decision, important benchmark indices opened in the green on Thursday, supported by positive global cues.
The broad NSE Nifty was down roughly 0.4% early on Tuesday, while the 30-share BSE Sensex opened more than 100 points lower.
For the second day in a row, Indian equity indices rose on Thursday, driven primarily by robust investor interest in technology and finance firms.
Wednesday's opening deals saw a slight decline in Indian equities indexes, extending their decline for a third straight session amid choppy trading.
The Nifty Midcap 100 and small-cap shares both saw tiny gains of 0.08 and 0.09 percent, respectively, in mid- and small-cap shares.
Indian equity indexes experienced a decline in early trades on Thursday, snapping a four-session gaining streak.
In line with gains on global markets, Indian equities indexes extended their winning streak on Wednesday for the fourth straight day.
Wednesday's opening trades saw increased trading for Indian equities indices thanks to encouraging global trends.