Billdesk — amount debit

I applied for mat 2017 december and completed payment through yes bank netbanking. Amount of 1500inr got debited from account through ref no.net txn: billdesk jybk[protected] aima but application process couldn't be completed. I want 1500 to be credited back to my account.
In application portal third no. Complete payment option box is still unchecked, i don't understand the reason behind it. Either it should be checked or 1500 should be credited back to account.. Please sort out the matter asap..