You Broadband India — refund being delayed indefinitely

Address:

Pune, Maharashtra

Applied for internet connection on 10th august 2017, with an assurance that connection will be set up within 7 days. Paid rs 5482 on the same date for the following particulars:
1. Rs 2633 as plan charges for 4mbps unlimited 3 month plan
2. Rs 1250 as refundable deposit for modem
3. Rs 349 as installation charges
4. Rs 1250 as refundable deposit for wifi router

Till date the installation has not even started. Applied for cancellation on 18th august 2017, but the company representative is delaying the process of redund of rs 5482, indefinitely since then.
I need the amount back at the soonest.