Prof. (Dr.) Krishan Mahajan has been a Fellow of the Columbia Law School, N.Y., USA and the Japan Foundation, Tokyo. His Doctoral work is on the Role of Parliament, Union Government and the Supreme Court in the protection of National monuments. He was the Dean & Professor, National Law University, Odisha where he was the founder Director of his new course –Law & Agriculture. He also established a new LLM course on Law and Religion. After this he was invited to the National Law University, Patiala where he taught Constitutional Law and Environmental Law. The Supreme Court of India invited him to be its Additional Registrar and act as the Controlling Officer of the first ever Research and Planning Centre for assisting the Judges. He has done extensive legal field studies in villages and slums concerning Land Reforms, Women Homeworkers doing chikan work in Lucknow, readymade garment workers in Ahmedabad and bidi rollers in Mehsana, Gujarat. He was senior Central Government Counsel for several years at the Supreme Court and appeared extensively in various High Courts on Corporate, Criminal, Constitutional and other litigation. He was appointed as amicus by the Supreme Court in the Taj Mahal, West Bengal Police Custody Deaths, Delhi Leprosy Patients and Bonded Labour at Faridabad. He was regularly arguing Income Tax appeals before the Delhi High Court which also appointed him as amicus in Murder Appeals. He has been the legal consultant to JNU, Hindu, Ramjas and Kirori Mal Colleges of the University of Delhi and also to the University of Darbhanga, Bihar. He taught for several years at the Indian Law Institute International trade Law, Banking & Insurance Laws, Constitutional Laws, Legislative Drafting and Interpretation of Statutes and Media Laws at Lady Shri Ram College, Delhi University and the Indian Institute of Mass Communications. He drafted Parliamentary bills for the Union Railway Ministry and notifications for the Union Health Ministry. He has been a Senior Research Officer of the Birla Institute of Scientific Research and worked on Law concerning Vocational Education, Protection against Defamatory statements in Parliament and the Agricultural Land Ceiling Act. Earlier, he was the Special Legal Correspondent at the Supreme Court of the Hindustan Times and then was the Legal Editor of the Indian Express for all its 23 editions throughout India. India’s first weekly legal column was started by him in the Hindustan Times. He was a frequent commentator on law in the Spotlight Program of All India Radio. His Legal Aid work for the poor and disabled continues on the basis of his report to the Supreme Court concerning the future of Legal Aid in India.