[SC] crpc s. 439 – bail – Cancellation – Conditions – Bail once granted, should not be cancelled in a mechanical manner without considering whether any supervening circumstances have rendered it no longer conducive to a fair trial to allow the accused to retain his freedom by enjoying the concession of bail during trial – Having said that, in case of cancellation of bail, very cogent and overwhelming circumstances are necessary for an order directing cancellation of bail (which was already granted) – It is no doubt true that cancellation of bail cannot be limited to the occurrence of supervening circumstances – This Court certainly has the inherent powers and discretion to cancel the bail of an accused even in the absence of supervening circumstances. Following are the illustrative circumstances where the bail can be cancelled