The Delhi police have arrested four people and are questioning them for the blasts.
The Delhi police, after the explosions, sent out messages to the public asking them to report unidentified objects.
The Delhi police according to the judge, attempted to assist the accused during the investigation and trial.
The Delhi police has to play a number of roles so far maintenance of law and order is concerned.
Atif was later killed in an encounter with Delhi Police.
In the charge sheet the Delhi Police described him as the most brutal of the six accused.
He was arrested on July 17, 2011 by Delhi Police.
Moreover he refused to acknowledge any error on part of Delhi Police.
Delhi Police gave its permission with certain conditions.
The other witness had reported seeing the incident, but in court he was portrayed as having been "put up" by the Delhi Police.