AppointmentsCentralEventsPress ReleasesPSU Santanu Saha appointed CVO | Geological Survey of India, Kolkata By saurabh - August 9, 2017 0 305 FacebookTwitterPinterestWhatsApp Santanu Saha IOFS-indianbureaucracy Shri Santanu Saha IOFS (2001) has been appointed Chief Vigilance Officer(CVO) in the Geological Survey of India (GSI), Kolkata under the Ministry of Mines. IndianBureaucracy.com wishes Shri Santanu Saha the very best.