KARACHI, Pakistan, April 20 —The Pakistani Government announced tonight that its armed forces had “destroyed most of the remnants of the infiltrators and antisocial elements” around seven East Pakistani towns that it said it had taken control of in recent days.

The report, broadcast by the Pakistani radio tonight, said the armed forces had “further stabilized their position and taken strong measures to keep out Indian infiltrators.”

The radio identified the seven towns as Kushtia, Chuadanga and Meherpur near East Pakistan's western border and Comilla, Brahmanbaria, Akhaura and Kasba near its eastern border.