Chandigarh, Dec. 17 -- The Chandigarh Police have registered a case of extortion after a city-based liquor contractor reported receiving repeated threatening calls demanding Rs.1 crore, allegedly from a gangster identifying himself as Doni Bal.

Police sources said Balwinder Singh alias Doni Bal is a known gangster linked to organised crime networks operating in Punjab and abroad. In February this year, Amritsar police had booked him for extortion after he allegedly threatened a dairy owner and demanded money, warning of blowing up the complainant's business. That case was registered under Section 308(4) of the Bharatiya Nyaya Sanhita (BNS). He is described by police as an associate of the Bambiha-Rana Kandowalia gang.

According to the F...