Among the coaches being planned to be discontinued is the iconic Patiala Coach, which was gifted to the academy by the former Maharaja of Patiala in 1969. Traditionally, this coach was used to bring the reviewing officer (chief guest) of the parade to the venue.

from Times of India https://timesofindia.indiatimes.com/india/ima-set-to-modernise-passing-out-parade-replace-buggies-with-cars/articleshow/100557561.cms