| Indian Army | ||
| 1917: | 111th Mahars │ |
71st Punjabis (Punjab Christian Battalion) |
 │ |
 │ |
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 |
 |
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| 1920: | │ │ |
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| 1922: | disbanded |
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| 1941: | The Mahar Regiment | |
 │ |
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| 1942: | 2nd Battalion raised │ |
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| 1943: | 3rd Battalion raised │ |
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| 1946: | The Mahar Machine Gun Regiment |
|
 │ |
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| Union of India | ||
| │ | ||
| 1947: | 1st, 2nd and 3rd Battalion │ |
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| Republic of India | ||
| │ | ||
| 1950: | │ │ |
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| 1956: | 1st Battalion, The Border Scouts → 4th (Border) Battalion 2nd Battalion, The Border Scouts → 5th (Border) Battalion 3rd Battalion, The Border Scouts → 6th (Border) Battalion │ |
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| 1959: | 7th Battalion raised │ |
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| 1962: | 8th Battalion raised 9th Battalion raised 10th Battalion raised │ |
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| 1964: | 11th Battalion raised │ |
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| 1964: | The Mahar Regiment | |
 │ |
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| 1965: | 12th Battalion raised │ |
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| 1966: | 13th Battalion raised │ |
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| 1968: | 31st Battalion raised │ |
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| 1970: | 32nd Battalion raised │ |
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| 1971: | 31st Battalion → 14th Battalion │ |
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| 1972: | 32nd Battalion → 15th Battalion │ |
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| 1976: | 8th Battalion, The Parachute Regiment → 16th Battalion │ |
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| 1979: | 16th Battalion → 12th Battalion, The Mechanised Infantry Regiment 17th Battalion raised │ |
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| 1981: | 18th Battalion raised │ |
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| 19th - 21st Battalion raised │ |
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