BGM BIDR in your proposed route will be a failure.
My suggestion would be that BGM MRJ KWV SUR KLBG (520 kms and one loco reversal) train by CR with PM at KLBG. Distance can be covered in 12-13 hours making it a perfect ONT. In your proposed route, distance will be 583 kms with 2 loco reversals.
Already one...
more... proposal is there for Kalaburagi to Kolhapur. Twice a week it can run to Belgaum.
BGM BIDAR via MRJ KWV Latur Bhalki is 630 kms with one loco reversal. Even here, SCR can run this train. Via UBL KLBG means 3 loco reversals and distance is 710 kms. Can be thrice a week to Kolhapur and thrice a week to Belgaum.
Atleast in our discussions, we should explore running trains avoiding Hubli.