GUWAHATI, June 10 ? Prakash Prabhakar Naolekar, a former judge of Rajasthan High Court, was today sworn in as Chief Justice of Gauhati High Court. State Governor Lt Gen (retd) SK Sinha administered the oath of office to Naolekar at a simple function at the Darbar Hall of the Rajbhavan here. Chief Minister Tarun Gogoi, Chief Secretary Pramab Kumar Bora and Director General of Police HK Deka were present at the function.