A Commanding Officer, Colonel B Santosh Babu, was among three killed in a face-off on Monday night with Chinese troops at Galwan Valley in Ladakh. This comes at a time when efforts to defuse weeks of tension at the border were going in high-level meetings. India retaliated and there were casualties on both sides, said reports. Army sources say the soldiers were not shot but were killed in a physical fight on Indian Territory that involved stones and batons. Know what experts have to say on escalated tensions between India and China over border dispute.