Andhra Pradesh State Road Transport Corporation [Apsrtc] — refund of amount for ticket not generated through online booking

I have booked a ticket online from hyderabad to jaggaiahpet highway on 16th of october 2018 to make a journey on 21st of october 2018 for 2 adult and 1 child. Amount was debited from my bank account, but ticket was not generated. Later i have again booked and amount debited from my bank account again. The first debited amount was credited to my account with rs.18/- (Eighteen only) less. Debited amount is rs.709/- and credited amount is rs.691/-. Kindly look in to the matter and do needful