The poster of 'Hindi Medium' is a copy of a Bengali films, is the film a copy too?

The poster of 'Hindi Medium' is a copy of a Bengali films, is the film a copy too? The makers of Irrfan Khan-starrer 'Hindi Medium' recently unveiled the trailer of the film. The http://www.bollywoodbubble.com/news/the-poster-of-hindi-medium-is-a-copy-of-a-bengali-film-is-the-film-a-copy-too/