Question: The Lunchbox is a 2013 Indian epistolary romantic film written and directed by Ritesh Batra, the film was jointly produced by various studios including which Indian production and distribution company established by Yash Johar in 1979?
Sentence (from "List of Dharma Productions films"): As of 2017, the company has produced 43 Bollywood films, including three that are yet to be released.
Relevant evidence: No