13th Regiment of Madras Native Infantry

Known as 13th Regiment of Madras Native Infantry in the Madras Army
Known as 73rd Carnatic Infantry in the Indian Army

Chronology

1776 raised by Capt Alcock as 13th Carnatic Battalion from 4th, 7th and 11th Carnatic Battalions
1784 became 13th Madras Battalion
1796 became 2nd Battalion, 3rd Madras Native Infantry
1824 became 13th Regiment of Madras Native Infantry
1885 became 13th Regiment of Madras Infantry
1903 became 73rd Carnatic Infantry
1922 became 1st/3rd Madras Regiment
1928 became 11th Battalion Madras Pioneers
1933 became 11th Madras Battalion ITF
1941 September became 2nd Battalion, The Madras Regiment
1942 redesignated 1st Battalion, The Madras Regiment
1947 allocated to India on Partition

The Madras Regiment, 1758-1958 by E.G. Phythian-Adams 1958. Available at the British Library UIN: BLL01012507899 .

Madras Regiment Wikipedia
3rd Madras Regiment Wikipedia
73rd Carnatic Infantry British Empire website
1st Bn The Madras Regiment madrasregiment.org
Page 53 Valour and Sacrifice: Famous Regiments of the Indian Army by Gautam Sharma Google Books

Historical Records Of The XIII Madras Infantry by R P Jackson, Lieutenant, Adjutant XIII Madras Infantry 1898 Archive.org, mirror from the Digital Library of India.
Madras Infantry 1748-1943 by Lt.-Col. EG Phythian-Adams, late 3rd Madras Regiment published 1943 is available Archive.org, mirror from Digital Library of India. Two files are available, barcode 4990010018885 seems a more complete copy, File 1, (File 2)
The Madras Soldier 1746-1946 by Lt.-Col. E G Phythian-Adams. Revised and enlarged edition 1947 Archive.org.