Nagaland For 180 days service as part of a detachment, unit, or formation in one of the following operations or areas of operation from 27 April 1955: OPG OLI from 27 April 1955 to 1 April 1956. Operating during or located under operational command of GOC Assam, 23rd Infantry Division, Operation ORCHID, GOC Nagaland, 8th Mountain Division, or GOC 101 Communication Zone Area. For an aggregate of 90 days of service on the active strength of a detachment, unit, or formation operating in the Naga hills and Tuensang area on temporary duty from 27 April 1955 or thereafter. Goa—1961 For personnel who were part of or attached to formations or units within the geographical limits of the territories of Goa, Daman, and Diu and were involved in the operations, for no less than 48 hours between 18–22 December 1961. Ladakh 1962 For personnel who rendered 15 days service with units or formations within the geographical limits of Ladakh between 20 October 1962 and 21 November 1962. NEFA 1962 For service in certain specified areas of North-East Frontier Agency and Assam between 21 September 1962 and 21 November 1962. Mizo Hills For personnel who served an aggregate of 180 days as part of a detachment, unit, or formation located within or operated in the Mizo Hills district from 28 February 1966.