New Army Chief General Bipin Rawat today said the role of the force is to maintain peace and tranquillity at the border but it will not "shy away from flexing its muscle, if the need be". Eastern Army commander Lt General Praveen Bakshi and Southern commander Lt General P M Hariz will continue to serve the Army and maintain the unity, he said. "The force is to maintain peace and tranquillity at the border but it will not shy away from flexing its muscle, if the need be," General Rawat said.