Here you can see the start of the inaugural run of Pakistan Railway’s new premier service, the Sir Syed* Express between Rawalpindi and Karachi via Faisalabad:
And here is one of the leading expresses of Bangladesh Railways, the Sonar Bangla* * Express leaving Dhaka for Chattogram (the new official name for Chittagong):
See if you can pick out the different types of coaches. The locomotive seems to be considerably older than the coaches.
This is, of course, metre gauge and only a short portion of this major route has been improved to dual gauge with BG.
*Sir Syed refers to Sir Syed Ahmed Khan (1817-1898), noted reformer and educationist. He is considered to be the founder of Aligarh Muslim University.
** The Bangladeshi national anthem begins with “Amar Sonar Bangla”, i.e. “My golden Bengal”. This, like the Indian national anthem “Jana Gana Mana”, was composed by Rabindranath Tagore.