The Desi Munda Ranveer Singh is on a strict diet and a rigorous workout for his upcoming movie \'Gunday\'. He has many scenes where he needs to flaunt his abs and toned muscles. Ranveer being a perfectionist and a health conscious wants his physique to appear perfect on the camera. He goes for a hard workout before 2 days of any such scenes. \"He avoids eating before two hours of the shoot and does 50 sets of pushups and crunches before appearing in the shot. He is following a no carbohydrate diet. He is too sensitive about his nutritious diet and prefers to eat home-made food\" sources informed. The movie is set in the early 70\'s period and narrates a story of coal thieves who go on becoming members of a mafia Gang.