The regiment, from a small group of three battalions at the time of independence, has now become a 25-Battalions strong force with 15 regular Battalions, 3 Rashtriya Rifles Battalions, 5 Territorial Army Battalions (including 2 Eco Battalions) and 2 Battalions of Arunachal Scouts. Since independence, battalions of the regiment have participated in the Sino-Indian War of 1962 and all the conflicts with Pakistan. The regiment was awarded a battle honour for its tenacious defence at Chaamb in the Indo-Pakistani War of 1971. Two of its battalions, 4 Assam and 7 Assam, have had the privilege of being part of the Indian Peace Keeping Force (IPKF) in Sri Lanka and 1 Assam, 15 Assam and 10 Assam have the unique distinction of being part of the UN Peace Keeping Force in Cambodia (UNTAC), Lebanon (UNIFIL) and the Democratic Republic of the Congo (MONUSCO) respectively.