Chinese troops are engaged in building up infrastructure along Line of Actual Control (LAC), reports suggested. The Chinese troops have remained in Pangong Tso and Depsang areas and there are signs of building infrastructure like radar station and patrol posts. New camps have been reportedly detected. This report comes amid military and diplomatic engagement between the two countries are going on for long time. CDS Bipin Rawat already clarified that India has 'military option' if talks fail between India and China.