State Bank Of India [SBI] — Debit card transaction declined at Pos

Address: New Delhi, Delhi, 110034

Sir, i have done a transaction of Rs. 1000 at Pos with my SBI atm debit card. The amount got debitedfrom my bank account but the pos machine showed transaction declined. It has been more than a week and the amount is still not reversed in my account. Kindly look into the matter asap.
Customer name - Ayush Goel
Debit card no. - [protected]
Account number - [protected]
Transaction Id[protected]
POS id - Max Super Speciality Hdelhi
Ttansaction date - 09/12/2016