30. It may be further mentioned that in view of Section 36 Cr.P.C. if a person is aggrieved that a proper investigation has not been made by the officer-in-charge of the concerned police station, such aggrieved person can approach the Superintendent of Police or other police officer superior in rank to the officer-in-charge of the police station and such superior officer can, if he so wishes, do the investigation vide CBI vs. State of Rajasthan and another 2001 (3) SCC 333 (vide para 11), R.P. Kapur vs. S.P. Singh AIR 1961 SC 1117 etc. Also, the State Government is competent to direct the Inspector General, Vigilance to take over the investigation of a cognizable offence registered at a police station vide State of Bihar vs. A.C. Saldanna (supra).”