Why is India blocking film on a man who counted Punjab insurgency killings?

Indian authorities are investigating whether a film based on a separatist insurgency in India’s Punjab state in the 1980s and early 1990s is fit for viewers.

Satluj, as the film is titled after a river in Punjab, claims to tell the true story of Jaswant Singh Khalra, a human rights activist who was tortured and killed by the police in 1995 for investigating thousands of disappearances and extraj...