New Delhi, June 24 -- In a stand-off with a belligerent Chinese People's Liberation Army (PLA) at four points in East Ladakh , India has increased technical drone surveillance of the area even as the Indo-Tibetan Border Police (ITBP) has inducted more battalions into the sector to support army along the Line of Actual Control (LAC), government and military officials said. The decision to induct ITBP battalions was taken on June 20 after Director General Military Operations, India, Lt General Paramjit Singh and Director General (ITBP and BSF) SS Deswal visited Leh to be briefed about the ground situation. They were briefed by the XIV Corps Commander Lt General Harinder Singh on the stand off....