Domino's Pizza — No refund even after 5 working days

Address:

Mehdipatnam, Hyderabad

I ordered few stuff from Dominos costing around 347 rupees ...i prepaid it ...then after around 45 mins I got a call from mehdipatnam Domino's that they could deliver it to the place I ordered from..and that they'll cancel it ...i was fine with it..and they said the refund would come within 48 hours by here iam after calling a million times they always tell that they'll call back but they never do...and it's been 5 working days and I didn't get my money back