Given the most common academic interest, I will assume you want a on Barfi! (2012), focusing on how the film uses non-verbal communication, disability representation, and visual storytelling as an "index" (a sign system) of human emotion. Below is a structured paper.
Heavily influenced by Charlie Chaplin and Buster Keaton, utilizing visual storytelling over dialogue. 4. Cultural & Culinary Footprint index of barfi work