MUMBAI: Equity benchmark sensex climbed over 135 points in opening trade on Tuesday, tracking gains in index-majors ITC, Tech Mahindra and Bajaj Finserv amid a largely positive trend in the global markets. Starting on a positive note, the BSE gauge was trading 138 points or 0.23 per cent higher at 61,447 in early trade. Likewise, the Nifty advanced 35 points or 0.19 per cent to 18,344.
Sun Pharma was the top gainer in the sensex pack, rising 1 per cent, followed by ITC, Tech Mahindra, Bajaj Finserv, Bajaj Finance, PowerGrid and Axis Bank.