Fortunately we now have a good quality map which is easily downloadable:
The downloaded image can be expanded using Irfanview or similar software.
A few things of historical interest:
The stub going southwest from the Delhi-Muttra section is the Kosi-Sankoch branch which closed long ago, maybe in the 1920s.
While the branch from Satna to Rewah is shown here, it was not built until around 1990.
The branches fron Harpalpur to Rath and Nowgong have not been built even now.
Sipri is the present Shivpuri, then an NG terminus.
The Mohpani branch served collieries in the past, but was closed by the 1930s.
A number of other closed branch lines can be seen.