Nagpur to Aurangabad Shirdi is a good route and crowd puller to survive. Nasik may have 20-30% occupancy depending on journey time if its comparable to train. At present getiing ticket in swergam exp which is convenient option is a Hercules task. All three put together ia a good route.VRL has launched Volvo MA Sleeper:
Goa - Shirdi I am sure will be able to sustain. I am doubtful on Nagpur - Nashik, will it survive, only time has tell.
- Shirdi - Goa via Pune, Kolhapur
- Nagpur - Nashik via Aurangabad, Shirdi
Slowly VRL is expanding in MH.