Equity benchmarks extended previous day's gains in opening on Tuesday, backed by positive Asian cues. Metals, technology, cement and select banks stocks gained strength.
The 30-share BSE Sensex was up 131.99 points at 32,638.71 and the 50-share NSE Nifty rose 22.00 points to 10,206.90.
Indiabulls Housing Finance, Ambuja Cements, BPCL, Zee Entertainment, Tata Steel and UltraTech Cement were early gainers.
Ahead of earnings later today, Infosys was up 0.6 percent while HDFC Bank was flat.
Bharti Infratel, Sun Pharma, Bajaj Finance, HCL Technologies and Mahindra & Mahindra were losers in early trade.
Nifty Midcap was up 0.2 percent.
Zuari Agro Chemicals, S Chand, Rico Auto, Saregama India, Jaiprakash Associates, NIIT Technologies, NIIT, Sobha, Puravankara, Godrej Properties and Brigade Enterprises gained 1-6 percent.
The Indian rupee continued hovering around 65 against the US dollar. It has opened higher by 4 paise at 64.97 a dollar on Tuesday.
Infosys, the country's second largest software services provider, will announce its July-September quarter earnings today after market hours. Outlook will be key thing to watch out for, especially after co-founder Nandan Nilekani joined as non-executive chairman in August.