Sunny Deol’s Gadar 2 set the cash registers ringing for the cinemas on the first day of long weekend.The sequel to the 2001 film Gadar: Ek Prem Katha raked in a whopping ₹40.10 crore in net collections at the domestic box office on the first day, per trade analysts. Akshay Kumar’s OMG 2, also a sequel, earned about ₹10.26 crore on Friday. This comes at a time when Rajinikanth’s Jailer is also gunning for the ₹100 crore-mark at the domestic box office.Trade analyst Taran Adarsh tweeted, “Sunny Deol unleashes...