They colluded to raise prices and restrict supplies for years, which included regularly inspecting one another to ensure there is no breach of the agreements
"The accident was a result of entry into clouds due to unexpected change in weather conditions in the valley," the government said, citing a preliminary investigation carried out by a Court of Inquiry set up by the country's armed forces.
Rawat was among the 14 people travelling in the Indian Air Force helicopter in December that burst into flames after ploughing into a hillside in the southern state of Tamil Nadu.