The 51 Special Action Group is a special response unit of the National Security Guards (NSG) of India. It was raised by the Cabinet Secretariat under the National Security Guard Act of 1985. The Special Action Group (SAG) comprises 54% of the National Security Guards. The 51 SAG forms the offensive arm, with personnel drawn from the Indian Army. The 51 SAG is tasked with counter-terrorism operations, while the 52 SAG is trained and equipped for counter-hijack operations.