Production design could be another aspect. The settings, costumes, and how they reflect the time period or the characters' social status. The cultural backdrop of India could influence the story, especially if the narrative deals with traditional versus modern values. How does the kiss fit into these cultural themes?
It is common for online searches to conflate different "Pallavis" or "Chatterjees" in the Indian film industry. For instance: Sai Pallavi: The South Indian star is famous for her strict no-kissing policy on screen. Pallavi Chatterjee (Tollywood): Pallavi chatterjee kissing