Tamil Nadu Public Service Commission (TNPSC) is a type of constitutional body.
It works under the government of Tamil Nadu.
It was formed in the year 1929.
It is located in Chennai, Tamil Nadu, India.
It is responsible for governing the recruitment of personnel into the state's public service.

As you have asked about the address and phone number of Tamil Nadu Public Service Commission (TNPSC), I am giving you information about it

Tamil Nadu Public Service Commission
Frazer Bridge Road
V.O.C.Nagar,
Park Town,
Chennai-600003,
Tamil Nadu, INDIA

Phone: +91-44-25300300 (12 Lines)
Fax: +91-44-25300598

It operates under Articles 315 to 323 of Part XIV of the Constitution of India.
The Secretary to the Commission holds responsibility of ensuring implementation of its various decisions, besides handling day-to-day administration, departmental promotion committees, oral tests for recruitment, etc.
The Controller of Exams is responsible for notifying and conducting recruitment and departmental examinations.