Indian Bank — I am complaining about atm dispense

Respected sir/madam, i mahesh rawal resident of gomtinagar lucknow. Having bank account in indian bank of gomtinagar branch lucknow. 03/11/2018 around 10:30 pm i withdraw 1200 from atm machine of canara bank of india located at gowari chauraha gomtinagar lucknow. But atm dispensed only 800 money to me, at the time my account of indian bank has debited by amount 1200 (Twelve hundreds only). I mahesh rawal request, to the respected member for the resolve of my query and refund of my amount rupee four hundreds only (400). Sir i have already raised a query at my branch bank at 05/11/2018 but it has been rejected.
Name: mahesh rawal
M. No: [protected]