Actor Randeep Hooda has lost 18 kg in just 28 days for his upcoming film "Sarbjit", the film's director Omung Kumar has revealed.

From 94 kg of #DLKK to 66 kg for #Sarbjit.. It's been a roller coaster ride in the same year .. Pls enjoy ur food :) pic.twitter.com/FXhOgUBMox

— Randeep Hooda (@RandeepHooda) February 5, 2016

"Sarbjit" is a biopic on Sarabjit Singh, an Indian farmer who was convicted for terrorism and spying in Pakistan and was sentenced to death. He was attacked by inmates at a prison in Lahore in April 2013 and died a few days later.