| Presidency of Bengal | ||||||
| 1798: | 2nd Battalion, 15th Regiment of Bengal Native Infantry │ |
2nd Battalion, 16th Regiment of Bengal Native Infantry │ |
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| 1815: | │ │ │ │ |
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1st Battalion, 30th Regiment of Bengal Native Infantry │ |
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| 1824: | 31st Regiment of Bengal Native Infantry │ |
33rd Regiment of Bengal Native Infantry │ |
69th Regiment of Bengal Native Infantry │ |
59th Regiment of Bengal Native Infantry │ |
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| 1825: | │ │ │ |
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2nd Extra Regiment of Bengal Native Infantry │ |
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| 1825: | │ │ │ |
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70th Regiment of Bengal Native Infantry │ |
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| 1828: | │ │ │ |
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47th Regiment of Bengal Native Infantry │ |
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| 1857: | │ │ |
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Regiment of Lucknow │ |
| Rebuilding the Bengal Army | ||||||
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| 1861: | 2nd Regiment of Bengal Native Infantry │ |
4th Regiment of Bengal Native Infantry │ |
7th Regiment of Bengal Native Infantry │ |
8th Regiment of Bengal Native Infantry │ |
12th Regiment of Bengal Native Infantry │ |
20th Regiment of Bengal Native Infantry │ |
| 1861: | │ │ │ |
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11th Regiment of Bengal Native Infantry │ |
16th Regiment of Bengal Native Infantry │ |
| 1864: | │ │ │ │ |
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16th (The Lucknow) Regiment of Bengal Native Infantry │ |
| 1876: | 2nd (Queen’s Own) Regiment of Bengal Native Infantry │ |
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| 1883: | │ │ │ │ |
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7th (Duke of Connaught’s Own) Regiment of Bengal Native Infantry │ |
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| 1885: | 2nd (Queen’s Own) Regiment of Bengal Infantry │ |
4th Regiment of Bengal Infantry │ │ |
7th (Duke of Connaught’s Own) Regiment of Bengal Infantry │ |
8th Regiment of Bengal Infantry │ │ |
11th Regiment of Bengal Infantry │ │ |
16th (The Lucknow) Regiment of Bengal Infantry │ |
| 1890: | │ │ │ │ |
4th (Prince Albert Victor’s) Regiment of Bengal Infantry │ |
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| 1893: | │ │ │ │ |
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7th (Duke of Connaught’s Own) Rajput Regiment of Bengal Infantry │ |
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| 1897: | 2nd (Queen’s Own) Rajput Regiment of Bengal Light Infantry │ |
4th (Prince Albert Victor’s) Rajput Regiment of Bengal Infantry │ |
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8th Rajput Regiment of Bengal Infantry │ │ |
11th (Rajput) Regiment of Bengal Infantry │ │ |
16th (The Lucknow) Rajput Regiment of Bengal Infantry │ |
| 1901: | 2nd (Queen’s Own) Rajput Light Infantry │ |
4th (Prince Albert Victor’s) Rajput Infantry │ |
7th (Duke of Connaught’s Own) Rajput Infantry │ |
8th Rajput Infantry │ │ |
11th Rajput Infantry │ │ |
16th (Lucknow) Rajput Infantry │ |
| Renumbering into the Indian Army | ||||||
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| 1903: | │ │ |
4th Prince Albert Victor’s Rajputs |
7th Duke of Connaught’s Own Rajputs |
8th Rajputs | 11th Rajputs | 16th Rajputs (The Lucknow Regiment) |
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| 1911: | 2nd Queen Victoria’s Own Rajput Light Infantry |
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| 1917: | 2nd Bn raised │ |
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| 1918: | 3rd Bn raised │ |
2nd Bn raised │ |
2nd Bn raised │ |
2nd Bn raised │ |
2nd Bn raised │ |
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| 1919: | 3rd Bn disbanded │ |
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2nd Bn disbanded │ |
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| 1920: | │ │ |
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2nd Bn disbanded │ |
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| 1921: | 2nd Bn disbanded │ |
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2nd Bn disbanded │ |
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| 1922: | 1st (Queen Victoria’s Own) Light Infantry Bn, |
2nd (Prince Albert Victor’s) Bn, | 3rd (Duke of Connaught’s Own) Bn, | 4th Bn, | 5th Bn, | 10th (Training) (The Lucknow Regiment) Bn, |
| 7th Rajput Regiment | ||||||
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| 1941: | 5th Bn captured 7th Bn raised 8th Bn raised 9th Bn raised 14th Bn raised 15th Bn raised 18th Bn raised │ |
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| 1942: | 7th Bn disbanded 8th Bn disbanded 16th Bn raised 17th Bn raised │ |
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| 1943: | 10th Bn → Regimental Center │ |
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| 1945: | 18th Bn disbanded │ |
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| 1945: | The Rajput Regiment │ |
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| 1946: | 6th Bn disbanded 9th Bn disbanded 14th Bn disbanded 15th Bn disbanded 16th Bn disbanded 17th Bn disbanded │ |
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| Union of India | ||||||
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| 1947: | 1st, 2nd, 3rd and 4th Bn │ |
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| 1949: | 1st Bn → 4th Bn, The Brigade of the Guards │ |
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| Republic of India | ||||||
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| 1950: | ![]() │ |
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| 1954: | Sadul Light Infantry → 19th Bn (Bikaner) Jodhpur Sirdar Infantry → 20th Bn (Jodhpur) │ |
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| 1961: | 5th Bn raised │ |
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| 1963: | 7th Bn raised 8th Bn raised 9th Bn raised 14th Bn raised 15th Bn raised │ |
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| 1964: | 16th Bn raised 17th Bn raised │ |
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| 1965: | 18th Bn raised │ |
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| 21st Bn raised 22nd Bn raised 23rd Bn raised 24th Bn raised 25th Bn raised 26th Bn raised │ |
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| 1979: | 18th Bn → 13th Bn, The Mechanised Infantry Regiment │ |
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| 1988: | 27th Bn raised │ |
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| 1993: | 20th Bn → 24th Bn, The Mechanised Infantry Regiment │ |
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