Himachal Pradesh University — Refund of failed payment

Sir/mam
I on 30 april 2021... Filled online form for ug first year exam in hp University.so firstly i paid 3200rs for first year examination under[protected] batch.my first payment goes failed which has been deducted from from my account i.e.punjab and sind bank. After sometime i tried payment on second time the payment is successful which is from SBI.means i have paid the double payment for same examination..so please help me to get back my first payment i.e.3200rs.i called on helpline number which is not being picked up.
Name-aman
Registration id[protected]
Failed Transaction number[protected]