Kuam De Heere, or Diamonds of the Community, depicts the assassination of Indira Gandhi and focuses on the personal lives of her killers. Critics say it glorifies them. The film has been screened in the U.S., the U.K. and Australia, but its release has been blocked in India. Kaum de Heere hide caption

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A Sikh devotee takes a holy dip in the sacred pond at the Golden Temple in Amritsar, India, on Jan. 1. The British government acknowledged Tuesday it advised India before the deadly 1984 raid on Sikhism's holiest shrine. Sanjeev Syal/AP hide caption

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U.S. Army Spc. Simran Lamba (center) was granted a religious accommodation for his Sikh articles of faith, including uncut hair and a turban, in 2010. He was the first enlisted soldier to be given such an accommodation since 1984. Brett Flashnick/AP hide caption

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A Sikh devotee takes a holy dip in the sacred pond at the Golden Temple in Amritsar, India, on Jan. 1. Official British documents released Tuesday suggest the U.K. helped India plan the deadly 1984 raid on the shrine where militants had holed up. Sanjeev Syal/AP hide caption

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Sikhs and others who wanted to show support gathered Wednesday night for a vigil in Manhattan. Mario Tama/Getty Images hide caption

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