Singham Again Box Office Day 1 Prediction! (Photo Credit – Instagram) This Diwali is going to be full of dhamaka as Rohit Shetty is treating us with his Avengers of Cop universe. Starring Ajay Devgn and Kareena Kapoor Khan in the leading roles, there remains decent buzz around Singham Again. An earth-shattering opening is inevitable, but where will it land among the top 5 highest…