State Bank Of India [SBI] — less money received at atm

Address:

Barmer, Rajasthan, 344022

I withdraw 20000 at SBI ATM Gorka chok Balotra on 4.7.2018, I received 9 notes of Rs. 2000 and one note of Rs. 500 in between. Total amount I received is Rs. 18500 but Rs 20000 debited from my account no. [protected]. I complained to bank about this and they told that Rs 1500 will be credited back within 7 days but till date I did not received that amount.
-Manaram Choudhary
M-[protected]