Harinder Singh Mehboob was born in Chakk, in Lyallpur district of present-day Pakistan and took his Master's degree in English and Punjabi. He worked as a lecturer in Khalsa College. He began writing essays for magazines in the early sixties. Among his significant publications is Sahji Rachio Khalsa, which is a comprehensive and voluminous treatment in 1237 pages of Sikh philosophy, aesthetics, metaphysics and history. The awards he has received are Bhai Gurdas Award, Bhai Kahan Singh Nabha Award, and Bhai Mohan Singh Vaid Award.