Sohail Hashmi is an oral historian of Delhi, social activist, film-maker and heritage conservationist.

[1][2][3] Hashmi conducts immersive Delhi Heritage Walks which are aimed at introducing citizens, particularly children, to their city.

[4][5] He incorporates history of people, culture, food and architecture of Delhi in these walks.

[8] Hashmi is the author of a book Sanchi: Where Tigers Fly and Lions Have Horns.

[9] Hashmi advocates preservation of heritage and history when development and revamping projects are undertaken.