The augmentation of Air-conditioned coaches in Express trains is an ongoing initiative aimed at improving the comfort and overall travel experience for passengers. Accordingly, Railway has decided to augment Five(05) more AC 3- Tier Economy coaches with 02502/02501 Agartala-Kolkata-Agartala leaving Agartala on & from 09.08.2023 & leaving Kolkata on & from 13.08.2023 and with 02517/02518 Guwahati – Kolkata – Guwahati Express leaving Guwahati on & from 12.08.2023 & leaving Kolkata on & from 10.08.2023 on permanent basis .