Question: Dharmatama is a 1975 Hindi thriller movie, and the first Bollywood film to be shot in Afghanistan,the title character was based on matka, king Ratan Khatri, Matka" gambling or satta" is a form of lottery which originally involved betting on the opening and closing rates of cotton transmitted from where?
Sentence (from "Betting pool"): In an informal game, the vig is usually quite small or non-existent.
Relevant evidence: No