Krystle D'souza has been approached by producers of the show to play lead role.Will she play the lead?? Naagin 4's announcement was made after Naagin 3 that had Surbhi Jyoti, Anita Hassanandani became a super hit. The ending was given in a grand manner with the old cast like Mouni Roy, Karanvir Bohra, Arjun Bijlani and Adaa Khan.