The subject they choosed that was brilliant , Bengali literature is full of incredible character like Niren Bhaduri , Feluda,Bomkesh, Taranath tantrik, kakababu,Nonte Phonte,etc. Narayan Gangopadhyay's tenida is one of them.
Films based on these characters has potential to be blockbuster. That's why I always see huge potential in Bengali film industry .They already have characters which created a unbreakable bond/connection with common people.
Unlike others who are trying to make these types of characters. Industry only needs to go back to it's roots where the hidden treasures lies. With correct use of it they can create an explanational work