Mangalore - Bellary via Arisikere Chitradurga
Mangalore - Belagavi/Kolhapur via Arisikere Davanagere
Mangalore- Vijayapura/Solapur via Hubli (can be extended to Mumbai in future)
Re introduction of Mangalore SRC(Kolkata) weekly Vivek express via Arisikere Chitradurga Bellary Guntakal Vijayawada (I don't know will SER will agree on this)
Mangalore...
more... - Chennai daily via Banaswadi bypass/Yeshwantpur by diverting one of daily trains of Chennai - Mangalore
Mangalore - Bidar via Arisikere, Davanagere, Hubli, Gadag, Bellary, Guntakal, Raichur, Yadgir Wadi Kalaburagi.
An overnight train to Bengaluru via Hassan or extension of Hasan Solapur to Mangalore.
These are my suggestions ЁЯШК any other suggestions/corrections are Welcomed ЁЯШКЁЯЩП