Changed my posture, trained in martial arts for 'Varanasi': Mahesh

Tollywood actor Mahesh Babu, who is set to play Lord Ram in 'Varanasi', revealed his training regimen to perfect the role. While speaking about having the "correct posture", he explained that he spent 2-3 months learning Kalari, a traditional martial art from Kerala. Further, he spent 6 months with the track and field team to change his running style.