British India → India

18^th Royal Garhwal Rifles

1858:		The Aligarh Levy │
		Rebuilding the Bengal Army
		│
1861:		43^rd Regiment of Bengal Native Infantry │
1861:		39^rd Regiment of Bengal Native Infantry │
1864:		39^rd (Aligarh) Regiment of Bengal Native Infantry │
1885:		39^th (Aligarh) Regiment of Bengal Infantry │
1887:	(2^nd Bⁿ, 3^rd Goorkha Regiment) │	│ │
1890:	39^th (The Garhwal) Regiment of Bengal Light Infantry │	disbanded
1892:	39^th (The Garhwal Rifles) Regiment of Bengal Light Infantry │
1901:	│ │ │ │	49^th (Garhwal Rifles) Regiment of Bengal Light Infantry │

1901:	1^st Battalion,	2^nd Battalion,
	39^th Garhwal Rifles │
	Renumbering into the Indian Army
	│
	│
1917:	3^rd Bⁿ raised 4^th Bⁿ raised │
1918:	4^th Bⁿ → 1^st Bⁿ, 50^th Kumaon Rifles 4^th Bⁿ raised │
1921:	39^th Royal Garhwal Rifles │
1922:	18^th Royal Garhwal Rifles 4^th Bⁿ → 10^th (Training) Bⁿ
	│
1940:	4^th Bⁿ raised │
1941:	5^th Bⁿ raised 6^th Bⁿ raised │
1942:	2^nd Bⁿ captured 5^th Bⁿ captured 7^th Bⁿ raised 10^th Bⁿ → Regimental Center │
1943:	7^th Bⁿ disbanded │
1945:	The Royal Garhwal Rifles │
1946:	4^th Bⁿ → 2^nd Bⁿ 6^th Bⁿ disbanded │
	Union of India
	│
1947:	1^st, 2^nd and 3^rd Bⁿ │
1948:	8^th Bⁿ raised │
	Republic of India
	│
1950:	The Garhwal Rifles
	│
1959:	4^th Bⁿ raised │
1962:	5^th Bⁿ raised │
1963:	6^th Bⁿ raised │
1964:	7^th Bⁿ raised │
1965:	9^th Bⁿ raised 10^th Bⁿ raised │
1967:	11^th Bⁿ raised │
	12^th - 19^th Bⁿ raised │
1979:	1^st Bⁿ → 6^th Bⁿ, The Mechanised Infantry Regiment │

British India → India

18th Royal Garhwal Rifles

18^th Royal Garhwal Rifles