In 1906 the regiment consisted of four companies of Madrassi Musselmans, one of Telegau and one combining Madras Christians and Dadbers.
All but two of their officers had been transferred from other Madras units which were in the process of being disbanded.
The 80th Carnatic carried four battle honours on its regimental flag and had the unusual distinction of carrying an extra honorary colour to commemorate the capture of an enemy flag during the 18th century.
[1] During World War I they served in the Mesopotamia Campaign and a second battalion the 2/80th was formed in the Southern Brigade of the 9th (Secunderabad) Division in October 1918, and transferred to the Secunderabad Bde in December 1918.
[2] In 1922, the 80th Carnatic Infantry was disbanded, being one of the remaining nine single battalion regiments.