As part of the plan to improve timings and safety, Indian Railways has deployed over 2,600 Mobile Satellite Service
(MSS) terminals deployed on locomotives under Phase I of Real Time Train Information System (RTIS).
RTIS is the first of its kind Satellite based train tracking system to track Indian locomotives on real time basis by
linking it to ISRO satellites. It is expected that network efficiency, punctuality and data generation to improve
operations of Indian Railways.
https://www.livemint.com/news/india/indian-railways-mobile-satellite-terminals-to-improve-trains-
punctuality-11576572189429.html
