When the film "Mera Naam Joker" was released? Who was the joker in this film?

Question

Raj Kapoor’s ‘Mera Naam Joker’ was so long (4 hours 15 min) that it became the first Bollywood movie to have a very special feature? What was the special feature?

Answer 1

Mera Naam Joker is a Hindi drama film was released at 18 December 1970, directed by Raj Kapoor. The screenplay was written by Khwaja Ahmad Abbas. This film was the debut of Rishi Kapoor.
Raj Kapoor was the joker in this film.