ಮೈಸೂರು - ವಾರಣಾಸಿ ಎಕ್ಸ್‌ಪ್ರೆಸ್: ಕಾವೇರಿ ಮತ್ತು ಗಂಗಾ ನದಿಗಳ ಸಂಪರ್ಕ ಸೇತುವೆ - Vishwanath Joshi

If you have relevant online banking facility or debit or credit card (eg, SBI ATM- cum- debit card), then you can do it. Open irctc.co.in and register for a account there. Then choose your journey and train just pay through it. When going through it, you'll know yourself what to do next.

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