Karnataka State Road Transport Corporation [KSRTC] — refund of excess amount remitted through sbi debit card

Sir, i was booked a one way ticket from bangalore to chennai journey on 30.8.19 through my sbi debit card on 28.8.19 for rs.621/- vide pnr no. J78634418. By mistake the bank people sent amount twice to you transport. Kindly refund the same as at earlier. Online booking done by me on 28.8.19 vided txn. Password :7794. Kindly refund excess (Twice the ticket amount of rs.621+621) amount sent to your organization from sbi, iihr, hesaragatta branch, bangalore - 560 089. Also i inform you i am a regular passenger of ksrtc for past 3 years i. E. From 2016 to till date.