After editing, Rensil D’Silva’s debut film Kurbaan has turned out to be exactly 2 hours 37 minutes long. And that’s about 37 minutes longer than the show-timing which multiplex theatres approve of. Lengthy films on grim themes are at the moment not quite the flavour of the season. The poor response to Madhur Bhandarkar’s Jail proves it. Rensil however, is unfazed. “My film is not grim. It’s about a serious global issue. But it isn’t a documentary on terrorism. It’s designed as a fast-paced thriller.” Nor has the release been timed to coincide with the ghastly terror attack on Mumbai last year on November 27. “We’re coming on Friday, November 20, not 27. The date was chosen according to availability of space,” says…