IT companies like TCS, HCLTech, and Infosys led the charge with almost 3% gains each. Bharti Airtel and Hindustan Unilever also helped lift the mood, though IndiGo and SBI slipped.
The rupee edged up against the dollar while oil prices dipped below $110 per barrel.
Still, experts say investors are staying cautious because of global uncertainties and ongoing foreign investor selling, even with today's big rebound.