1st Regiment of Brahman Infantry

1st and 3rd Brahman Infantry

Known as 1st Brahmans

Chronology

In the Indian Mutiny the 21st Regiment of Bengal Native Infantry did not rebel and, in the ensuing disbandment of the Bengal Army regiments, it became the most senior.

1861 became the 1st Regiment of Bengal Native Infantry
1901 became the 1st Brahman Infantry
1903 became the 1st Brahmans
1922 united with 62nd Punjabis, 66th Punjabis, 76th Punjabis, 82nd Punjabis, and 84th Punjabis and became 4th/1st Punjab Regiment
1931 disbanded

1st Brahmans www.regiments.org
Nawab Wazir of Awadh Wikipedia
1st Brahmans British Empire website
1st Brahmans Wikipedia
This India List post mentions the book The First Punjabis - History of the First Punjab Regiment 1759 - 1956 by Major Mohammed Ibrahim Qureshi, published 1958, which is available at the British Library