The post production work of "Sardar Udham Singh" starring Vicky Kaushal will commence from Monday, confirmed the actor and director Shoojit Sircar.Vicky took to Instagram, where he shared a still from the film. The picture features Vicky and Sircar."When nature beckoned, We listened... We switched gears, From fast forward to slow motion... Now, there is a call again, an excitement, yet a caution and a hunger to reboot, With this feeling... We begin, again... SardarUdhamSingh. Post production set to BeginAgain, tomorrow, 8th June," Vicky captioned the image.Sircar shared the same image on the photo-sharing website.Vicky will bring alive the story of martyr Udham Singh, who assassinated Michael O39Dwyer, the former lieutenant governor of Punjab in pre-Independence India, to avenge the Jallianwala Bagh massacre of Amritsar in 1919.Singh was subsequently tried and convicted of murder, and hanged in July 1940.The news comes a week after the Cultural Affairs Ministry, Maharashtra, allowed the restarting of shootings, teleserials, OTT and advertisements.A 16-page official directive comprising guiding principles has been issued for the restart of the media and entertainment industry.