Lieutenant Colonel Ramakrishnan Vishwanathan, VrC was the second-in-command of "18 Grenadiers" which was conducting operations on and around Tololing mountain, Drass sector, Kargil, during Operation Vijay. He was posthumously awarded the Vir Chakra for his actions during the Kargil War. He did his schooling at Kochi and was commissioned in 1981 after completing his training at the National Defence Academy, Khadakvasla, Pune and the Indian Military Academy, Dehradun. He had served with the Indian Peacekeeping Force in Sri Lanka and later with the UN Peacekeeping Force in Angola.