The Central Bureau of Investigation has registered a case against a Lieutenant Colonel; a private person and other unknown officials of DRDO, Ministry of Defence.The allegation is related to criminal conspiracy between accused during the year 2004-2006, pursuant to which the public servants abused their official position and cheated the Union of India through transfer of 12 Acres 1 Gunta of land in favour of a private person against the decision taken by the Ministry of Defence.Searches are being conducted today at 7 places including the residential & official premises of accused persons at Bangalore, Hyderabad & District Kodagu which led to recovery of incriminating documents.