|Father’s Name:||Sh. Munshi Ram Mahajan|
|Date of Birth:||22 October, 1953|
|Birth Place:||Amritsar, Punjab|
|Educational Qualification:||M.A, Law|
Born on 22.10.1953 in Amritsar. Sh. Baldev Raj Mahajan was hardworking from his childhood. He worked as a part time worker in a factory for 4 years. He shifted to Chandigarh in December 1971 and worked as a clerk with Sh. D.V. Sehgal who was later elevated as Judge of Punjab and Haryana High Court. He passed graduation from DAV College, Chandigarh while pursuing his studies in evening shift. He passed M.A. in Political Science through Correspondence from Rajasthan University, Jaipur. He joined B.J.S. Rampuria Jain College, Bikaner (Rajasthan) to pursue his studies in Law.
Sh. Baldev Raj Mahajan enrolled as an Advocate in 1982 and joined Sh. Sehgal as an associate Lawyer. Sh. Sehgal helped throughout and it was because of his able guidance and help, Sh. Mahajan became Lawyer. He got opportunity to practice independently in 1985, when Sh. Sehgal was elevated as Judge of Punjab and Haryana High Court. He also associated with Akhil Bhartiya Adhivakta Parishad (An Advocates Organization of R.S.S). since its formation in the year 1992.
He worked as Treasurer and Secretary at District level and then became State Secretary and then after as State President of Adhivakta Parishad, Punjab. He also worked as National Secretary, National Office President, National Working President and then as National President of Akhil Bhartiya Adhivakta Parishad. He considered as an expert in Civil Law. He is proud of belonging to R.S.S. "It is his association with R.S.S. which enabled Sh. Mahajan to lead life of simplicity". He also remained as SEH Sangh Chalak of R.S.S. Chandigarh. He remained associated with many other social Organizations such as ‘Mahajan Sabha Chandigarh', 'Hindustan Samachar Agency'. He was designated as Senior Advocate by Punjab and Haryana High Court on 29.05.2014 with maximum number of votes and without any negative voting. He appointed as Advocate General, Haryana on 10.11.2014.