Indian has successfully tested the one ton indigenously-developed glide bomb. The precision-guided by its on board navigation system, glided for nearly 100 km before hitting the target with great precision. Glide bombs rely on small control surfaces which direct the weapon towards a target as it progressively loses altitude after being released from an aircraft.

http://www.ndtv.com/article/india/india-successfully-tests-one-ton-glide-bomb-why-that-s-important-637116