Hello Arpita

Code list of colleges:

https://www.annauniv.edu/cai/Affiliated%20Colleges%20list%20by%20Alphabetical/S2.html

https://www.jntufastupdates.com/jntuk-affiliated-colleges-list-with-codes/

These are links for the college codes

Renewal of affiliations to the B. Tech/B. Pharmacy Institutions for the academic year 2019-20, in pursuance of the AICTE list of B. Tech/B. Pharmacy Institutions under JNTUK Kakinada has been completed

ALL THE BEST