Kalu Singh Mahara was an Indian freedom fighter and Kumaoni leader during the first Indian Rebellion of 1857. He is regarded as the first major freedom fighter from the state of Uttarakhand (then part of the United Province) Kalusingh bhati
Kalu Singh Mahara was Thakur of Bisung Patti of Kumaon(Kumaun), known as Karnakarayat now. This region is situated near Lohaghat, in district Champawat of Uttarakhand.