Anuj Dhar is known for his research and activism relating to Subhas Chandra Bose, especially the issue of his mysterious disappearance. Dhar's 2012 bestselling book "India's biggest Cover-up" triggered the movement for declassification of the Netaji files and inspired Alt Balaji's hit web series "Bose: Dead/Alive". In 2018, Dhar wrote "Your Prime Minister is Dead", which is the first-ever comprehensive study of the enduring Lal Bahadur Shastri death mystery. Dhar provided inputs for Vivek Agnihotri's film "The Tashkent Files". In 2019, Dhar came out with "Conundrum: Subhas Bose's life after death", co-authored by Chandrachur Ghose. Both played a pivotal role in the making of hit Bengali movie "Gumnaami" -- which won a national award. Dhar has given talks across India and in the US; and in Sri Lanka, Singapore, Hong Kong and the UK.