Justice Katju (Markandey Katju ) is a retired judge of Supreme Court of India. He is the chairman of Press Council of India.

Justice Katju was born on September 20, 1946 in Lucknow, India. Justice Katju is the son of late Justice S.N.Katju, formerly a Judge of the Allahabad High Court. His grandfather Dr.Kailash Nath Katju, was one of India’s leading lawyers and participated in the country’s freedom movement. Dr. K. N. Katju was the Chief Minister of Madhya Pradesh, the Governor of West Bengal and Orissa, as well as the Union Law, Home and Defence Minister. Justice Katju’s uncle, Justice B.N.Katju, was the Chief Justice of the Allahabad High Court.
Justice Markandey Katju is married to Rupa and has two children, a son and a daughter.

Justice Katju topped the merit list of the Allahabad University’s LLB examination of 1967, after which he practiced law in the Allahabad High Court specializing in Labour Law, Taxation and Writ Petitions.

Mr. Justice Markandey Katju is keenly interested in academics, and has a wide range of interests, including Sanskrit, Urdu, History, Philosophy, Science, Sociology etc. apart from his interest in jurisprudence. He has written several books, such as ‘Law in the Scientific Era’, ‘Interpretation of Taxing Statutes’ and ‘Domestic Enquiry’. His study of diverse subjects is reflected in his judgments, which are often unconventional and path breaking.

Reference
http://www.supremecourtofindia.nic.in/judges/bio/132_mkatju.htm
http://en.wikipedia.org/wiki/Markandey_Katju