The regiment was raised in June 1820 at
Bombay as the 2nd (Marine) Battalion 12th Regiment of Bombay Native Infantry by Captain Deschamps. In 1824, it was designated as the 24th Regiment of Bombay Native Infantry. On 19 January 1839, it stormed and captured the city of
Aden as part of a punitive expedition sent to rid the area of pirates. During the
Indian Rebellion of 1857-58, the regiment, under the command of Major WG Duncan, operated in
Central India against the
Marathas led by
Tatya Tope and the
Rani of Jhansi. In December 1857, it joined the Central India Field Force and during the next six months, fought in several major engagements, including the storming of the fortress of Rahatgarh, the Relief of
Saugor, the capture of
Jhansi and the Battle of
Kalpi, where the Mahratta Army was decisively defeated. It remained employed in mopping up operations till 15 December 1858. During the campaign, it suffered a total of 52 casualties. In 1879-80, it participated in the
Second Afghan War, where it was deployed on the line of communication. In 1891, the regiment was localized to the Province of
Baluchistan and reconstituted with
Balochis,
Brahuis,
Pathans and
Punjabi Muslims. It adopted uniform of drab colour with red trousers and its designation was changed to 24th (Baluchistan) Regiment of Bombay Infantry. In 1895, the
Duchess of Connaught was appointed the
Colonel-in-Chief of the regiment. In 1896, it was dispatched to
British East Africa under the command of Lieutenant Colonel
AA Pearson to suppress a rebellion in areas now forming
Kenya. In 1901, the regiment's designation was changed to 24th (Duchess of Connaught's Own) Baluchistan Infantry.|230px ==124th Duchess of Connaught's Own Baluchistan Infantry==