The pre-installed versions were famous for featuring the work of legendary modders like Rohit Rana, Vivek B., and K. Sivakumar. These developers painstakingly built 3D models of locomotives that Indian enthusiasts saw every day:
If you encounter crashes:
Once you have your MSTS with Indian Railways Add-ons -Pre-installed- running, these are the "bucket list" activities you must try: MSTS with Indian Railways Add-ons -Pre-installed-