National-level boxer and professional athlete, Tridev Pandey trained Kartik Aaryan for his role as India's first Paralympic gold medallist, Murlikant Petkar in 'Chandu Champion'. While speaking about Kartik's transformation for the role, Tridev said, "We had to start from scratch, but he progressed really well...The entire transformation of...39% body fat to 7% was our goal, and we achieved it."