In Omkara, Ajay Devgn and Saif Ali Khan shared screen space together and now after 13 years, the duo is reuniting for Taanaji: The Unsung Warrior. Reportedly, Saif will be seen playing the role of an antagonist named Udaybhan Singh. According to sources, Saif has already started shooting the film and he recently shot a song. The song will be an introduction and celebration of his character in the film. The song is choreographed by Ranju Varghese. Taanaji will be the movie which will see the reunion of Kajol and hubby Ajay together as a couple in a film after 9 years. Taanaji is slated to release on November 22.