The BSE frontline benchmark Sensex surged 77 points to close above the 52,551-level on Monday, with Relaine, Wipro shares gaining the most amid positive global cues.

The Sensex index fluctuated 655 points before settling 77 points, or 0.15 percent, higher from previous close at 52,551.5 levels. The Nifty50 index, meanwhile, closed at 15,812 levels, up 13 points

Among individual stocks, shares of all six listed Adani Group companies nosedived in trade today, dropping up to 20 percent in share price after reports pointed to NSDL freezing 3 Mauritius-based FPI accounts holding Adani Group stocks in bulk. The group of stock includes -- Adani Enterprises, Adani Ports and Special Economic Zone, Adani Power, Adani Transmission, Adani Green Energy and Adani Total Gas.

BHEL shares also cracked by a huge 19 percent after the company reported a weak set of numbers for Q4FY21.. Analysts hold a view that "a sharp rerating of the stock that doubled in the last six months is unwarranted".

Sectorally, the Nifty PSU Bank index ended the day as the top gainer on the NSE, up 1 per cent, while the Nifty Realty index closed as the worst performer, down 1.4 percent.

Fuel price hike: Petrol nearing century mark across the country

Gautam Adani suffers major setback, freezes Rs 43,500 crore shares

Dharmendra Pradhan defends high fuel prices citing govt spending on welfare schemes