Overnight train journey and visiting places - sample

I have come across another way of planning through Indian railways - travel in the night between cities in the train - get down at the station and freshen and do local sight seeings and catch the overnight train to another location. One such route is below

Hyderabad - Agra - Allahabad - Gaya - Ayodhya - Varanasi - Indore - Nashik - Shirdi - Hyderabad