A sub post office of the Karaikudi Head Post Office is functioning within the campus with working hours of 9.00 AM to 5.00 PM on week days. 

The following services are available:

Registered Post
Speed Post (9.00 AM to 3.00 PM)
Money Order
Post Office Life Insurance, RPLI
Electricity Bill Payment
Savings Bank Transactions
Postage Stamp Sales

Contact Details:
M. Kannika Devi
Sub Post Master
CSIR-CECRI Post Office
Karaikudi - 630006
Phone: 04565-224265
Email: spmcecricampus@gmail.com