Within weeks of his commissioning, he saw action in the Walong sector in the 1962 Indo-China War. Since then he has served in the eastern sector six times, the last time being as the General officer commanding IV Corps. Vij has served as the General staff officer of an infantry division, a director in the Military Operations Directorate as a colonel and deputy director general of perspective planning (strategic planning) as a brigadier at Army HQ in New Delhi.