Note: this is wrongly labelled as 1943. From the Indian Bradshaw of that date.
https://www.irfca.org/gallery/Heritage/timetables/nwrtt/1943/
See the notes on each page. Click to enlarge.
This includes most (but not all) of the present Pakistan Railways.
For the remaining part of PR, see this blogpost which covers the Jodhpur State Railway as on June 1944: