The Prevention of Terrorism Act, 2002
51. Officers
competent to investigate offences under this Act.-
Notwithstanding
anything contained in the Code, no police officer,-
a.
in
the case of the Delhi Special Police Establishment, below the rank of a Deputy
Superintendent of Police or a police officer of equivalent rank;
b.
in
the metropolitan areas of Mumbai, Kolkata, Chennai and Ahmadabad and any other
metropolitan area notified as such under sub-section (1) of section 8 of the
Code, below the rank of an Assistant Commissioner of Police;
c.
in
any other case not relatable to clause (a) or clause (b), below the rank of a
Deputy Superintendent of Police or a police officer of an equivalent rank,
shall investigate any offence punishable under this Act.