It is suspected that he was under depression with police finding anti-depressant pills in his house in initial investigation.
Police have also reportedly found medical papers of him suffering from hyper tension and depression.
According to ABP News correspondent Ganesh Thakur, Rajput's friends were also present at his home, when he committed suicide. They broke open his room when he didn't respond and as of now no suicide note has been found.
Sushant Singh Rajput was known for his portrayals in TV serials like "Pavitra Rishta", films "Kai Po Chhe", "Shuddh Desi Romance", the biopic "M.S. Dhoni: The Untold Story", "Kedarnath" and "Chhichore", among several others. Bollywood and social media reacted with shock and disbelief on hearing the news of Rajput's death.
More details are awaited.