The Parappana Agarahara police are on a massive manhunt for two persons who threw 970 gm of marijuana concealed in plastic covers into the prison from outside. It was detected by alert security personnel on Thursday night .
Based on a complaint filed by P. Ranganath, Chief Superintendent of central prison, the police have registered a case under NDPS Act and various sections of the Prisons Act, and stepped up investigations to track down the accused.
In his complaint, Mr. Ranganath said the accused, who had come on a motorcycle, threw the banned drugs covered in plastic covers over the high-rise walls into a drain opposite the Quarantine Security Section-02, central prison.