The first-look motion poster of the film featuring the concept art of a younger Odiyan Manikyan was released earlier. He filmed the scenes of 65-year old Manikyan in the film's earlier schedules.
For achieving the character look of the younger Manikyan, Mohanlal had to lose weight. He underwent physical training under a 25-member expert team from France. In the 51-day long training session, Mohanlal lost 18 kilograms (40 lb) body weight. A teaser featuring his younger look was released on 13 December 2017. It received positive response, Mohanlal's effort for the transformation was praised by media outlets and people from film industry.