Hello sir, I am Pillai. I want you to help me by giving me some information about the Revenue District officer (RDO) post in Tamil Nadu Public Service Commission (TNPSC). Can you help me?

As you have asked about the Revenue District officer (RDO) post in Tamil Nadu Public Service Commission (TNPSC), I want to tell you that there is no such type of posts in TNPSC.
I am mentioning the posts under TNPSC:

TNPSC Group 1 posts:

Deputy Collector
Deputy Superintendent of Police (Category-I)
Assistant Commissioner (C.T.)
District Registrar
District Employment Officer

TNPSC group 2 posts:
Personal Clerk in Tamil Nadu PublicService Commission
Assistant in Commissioner of Revenue Administration
Assistant in thefollowing departments
Civil Supplies and Consumer Production,
Industries and Commerce,
Land Administration, Land Reforms,
Prison, Medical and Rural Health Services,
Transport, Registration,
Rural Development and Panchayat Raj,
Backward Classes, Fisheries,
Technical Education, National
Cadet Corps, Public Health and Preventive Medicine,
School Education, Vigilance and Anti-Corruption,
Survey and Land Records,
Urban Land Ceiling and Urban Land Tax
Departments, Divisions of Commercial Taxes