Last year , on the 25th anniversary of the gas leak , Indian Prime Minister Manmohan Singh called the events in Bhopal in 1984 a `` tragedy of neglect . '' NEW : Union Carbide and its officials `` not subject to the jurisdiction of the Indian court '' Top chemical company executives guilty of causing death by negligence . Nearly 4,000 people died in the immediate aftermath of the 1984 gas leak . Hundreds of thousands of survivors report adverse health effects . The Bhopal disaster is considered one of the worst industrial disasters ever, with more than 1,000 deaths reported.
NEW : Union Carbide and its officials `` not subject to the jurisdiction of the Indian court '' Top chemical company executives guilty of causing death by negligence . Nearly 4,000 people died in the immediate aftermath of the 1984 gas leak . Hundreds of thousands of survivors report adverse health effects . The Bhopal disaster is considered one of the worst industrial disasters ever, with more than 1,000 deaths reported.