Son of prominent physician and surgeon, Dr Isher Singh Gill M.B.B.S and born at Jaranwala District Lyallpur (Faislabad) now in Pakistan in 1930, he obtained degree in Bachelor of Arts from Government  College Ropar and opted to seek degree in Law from the Punjab University. securing the second highest number of marks in the P.C.S. (Judicial Branch) competitive examination held in 1954, he worked as Judicial Officers, exercising civil and criminal powers, both on original and appellate sides, and ultimately retired from the Punjab Superior Judicial Service. Both of his daughters, and the son , also chose to secure law degrees from the same University and became Advocates High Court.

His maiden work, Panchayat Guide, including Punjab Gram Panchayat Act and Punjab Village Commonland Regulation Act, in English, with Foreword by Hon'ble Mr Justice A.N. Grover Bar at law, was approved by the Punjab High Court for use of all the subordinate Courts. Its Punjabi edition,  with foreword by S.Darbara Singh. the then Development and Panchayat Minister, all offices and Panchayat Libraries etc. His third work Gill's Criminal Investigation and Trial, with foreword by Hon'ble Mr. justice Harbans Singh Bar at law,  was also approved by the Punjab High Court for use of all the subordinate courts. Besides his Auto biography (2008), the present one is his twelveth in the chain. 

Though a contributor of articles on subjects of History and Law in Journals and papers since College days, he took to History of the Punjab at the fag-end of his service career and, soon after retirement, took to research with passion, besides practicing as an Advocate.