The Central Bureau of Investigations (CBI) today conducted searches at Sainik School Nagrota on reports of certain irregularities in tendering process and allotment of works.Sources told that the CBI teams searched record pertaining to issuance and allotment of tenders for works by the Sainik School Nagrota.During raids, certain documents have been recovered for scrutiny.The raids were conducted on the basis of complaints received by the CBI pertaining to irregularities in tendering process and works.