Rungacharlu began his career as an acting clerk in the Madras Collectorate on a salary of rupees fourteen per month. His first appointment was that of Assistant Munshi (Clerk). On confirmation, he was transferred to the Chingleput Collectorate and was soon promoted to Head Writer and put up in
Salem. Rungacharlu performed well as a Head Writer and published two pamphlets:
Bribery and Corruption in the Revenue Department and
Mirasi Rights in the Chingleput and Tanjore Districts. Soon, he was appointed tahsildar of
Saidapet, followed by head sheristadar of
Nellore. In 1859, he was appointed Special Assistant to G. N. Taylor, President of the Imam Commission. When the commission came to an end, Rungacharlu was appointed to inquire the workings of the
British Indian Railways. Rungacharlu's performance in the commission won him rich accolades; upon returning to Madras, he was appointed Commissioner of the Madras Railway Company. He was serving as Treasury Deputy Collector at
Calicut in 1868 when he was invited to join the Mysore civil service. == In the Mysore service ==