Dogs from other central armed forces and State Police are sent to National Training Centre for Dogs (NTCD) to be trained in infantry patrol, detection of explosives, tracking and the like.The BSF maintains a Tear Smoke Unit (TSU), which is unique in India. "Seeing the long tunnel, I can say that the Pakistan establishment surely has has a hand and has knowledge of it. Field Formations in BSF are headed by an IG and are known as Frontiers Headquarters (FtrHQ). Like many federal nations, the constitution of India delegates the maintenance of law and order primarily to the states and territories.Page no. A Time Warner Company. The site became normal sometime on 15 February 2012.Indian law is enforced by a number of agencies.