India, Oct. 2 -- It is almost 50 years ago when a detachment of 20th Lancers comprising two tank troops opened new vistas of armoured warfare in the Battle of Chushul (Ladakh) in the Indo-China war 1962. I had the proud privilege to command this Detachment in this battle. My reminiscences of this battle bring back memories of the historic landing of the first AMX-13 tank in Chushul on 25 October 1962 by An-12 aircraft, at a height of 14,230 ft, subsequently built up to two tank troops, and the heroic performance of the men under my command in the most adverse conditions of sub-zero temperatures and rarefied atmosphere at such high altitudes. This proved to the world that armour has no limitations. Early memories of Chushul Our success in th...