That is the precise reason when you have summer specials, winter specials to Chennai, Velanankanni, Hyderabad.......but none to Bangalore and even if one gets introduced, it will be on an odd day . But to be fair to SWR, even their Sr Div Comm manager has quoted saying that 'Terminals have been saturated and it is difficult to operate new trains. Because of public pressure they are doing it.
This was in response to passenger protest at YPR station due to delay in YPR-Belgavi special train. This had come in Times of India today (Bangalore edition)