Yes I agree with your point that Raj cannot be introduced from every State but it can be and shall be definitely introduced by connecting two or more states so that all state gets atleast one premium service train to national capital for its
Upper and elite class passengers.
Also Raipur is not a small city now. It has been 2 decades since it was designated as capital of state and also before it was among 5 RAJBHOGI (Ra-Raipur, J-Jabalpur, B-Bhopal, G- Gwalior, I-Indore) cities which MP was proud upon....
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Also, When it has 8-9 fights to Delhi then how a Raj which is also not regular cannot be filled. There are certainly other factors behind this. Some of these may be lagging behind cgsk, poor timings, days of run etc.
And there is also too much fights and Politics between the R-zones for slots which they want for the trains Of their own zones which has certainly deteriorated our own beloved INDIAN RAILWAYS like Air India which is on sale right now.