New Delhi, Feb. 25 -- In the mostly sedate 91st Academy Awards (save for Spike Lee, who slipped an expletive past the censors), there was a moment of high drama for Indian viewers when Period. End of Sentence won Best Documentary Short. The film by Iranian-American director Rayka Zehtabchi is set in Uttar Pradesh. Guneet Monga's Sikhya Entertainment (The Lunchbox, Masaan) is the executive producer. Mumbai-based Monga, 35, was one of the people thanked from the stage by Melissa Berton, the film's producer....