Comparing the tenures of the given options: - Rajendra Mal Lodha: Approximately 3 months (May 2014 - Aug 2014) - S. Rajendra Babu: Approximately 1 month (May 2004 - June 2004) - Gopal Ballav Pattanaik: Approximately 2 months (Oct 2002 - Dec 2002) - Kamal Narain Singh: 17 days (November 25, 1991 - December 12, 1991) Kamal Narain Singh holds the record for the shortest tenure as Chief Justice of India.