The Mumbai Police officials who have taken this decision have also sent the pebbles found in the helicopter to Forensic Science Laboratory (FSL).
Joint Police Commissioner Rakesh Maria said "We are taking the help of DGCA and other experts in the case.Pebbles which were found in the gear box have also been sent for forensic test," Joint Police Commissioner Rakesh Maria."
Apart from the pebbles, some more samples found around the chopper has been sent for forensic analysis.
Police sources say that the culprits may face charges of attempt to murder.
Till now, seven people have been questioned in relation to the case.