Kolkata, Nov. 7 -- Veteran filmmaker Ramesh Sippy on Friday shared that Bollywood's cult action film Sholay "started as a two-line idea, probably a four-line idea," drawing a ripple of amusement from the audience.

Delivering the Satyajit Ray Memorial Lecture at the 31st Kolkata International Film Festival (KIFF) here, Sippy detailed the painstaking process behind the film's productivity, including shooting in both 35mm and 70mm formats and the challenges of filming complex sequences, such as the Thakur family massacre and the lamp-lighting scene, which required multiple nights to capture at dusk.

The evergreen movie this year has completed half a century since its release.

"We shot the film in two versions. Every take had two versions un...