Chinese army has increased its troops along the Doklam border, even as both India and China reduce the number of troops posted along the border because of the extreme climate in the Himalayan region. Doklam is a disputed territory which both Bhutan and China claim to be theirs. India has reason to be concerned since China has been gradually increasing its troop level at Doklam. The report says that China has now constructed two helipads, upgraded roads, scores of pre-fabricated huts, shelters and stores to withstand the freezing winter in the high-altitude region. Watch this video to know more.