Whaaky.com / Way2Online Retail — Refund for my order no. S80974219 of power bank

Address:	500016
Website:	www.whaaky.com

I had booked Power Bank (2) online from www.whakky.com by Order No.S80974219 on 11.09.2015 and the same was received by me on 13.09.2015 (Invoice not received) (through JAWAS Courier). but both the Power Bank not working so I want to return the same and get my money back.
For the above matter I had submitted a complaint on http://www.consumercomplaints.in/ and got a reply from Whaaky-:

Dear customer,

We verified your complaint post receiving images from you. We apologize for the inconvenience caused to you. We would like to inform you that your complaint qualifies for a replacement. As per our replacement policy, kindly send the defective product to the below address. Once we receive the defective product from you, we will go ahead to do the replacement.
Way2online Retail Private Limited
Syed Sajid,
No 1-8-319/2,
Patigadda Road,
Begumpet,
Hyderabad – 500016

Note:
1)The defective product should be dispatched within 4 business days for replacement of the same.
2)Kindly do not forget to mention the order number
Our phone lines might be busy as we are attending to other customers in-case your running short on time we request you to drop an email at [protected]@whaaky.com, we are sure to respond within 48hrs.

Thanks & Regards,
Your friends from Whaaky

So I have returned The defective product (Order No: S[protected] booked on 20/10/2015 through Speed Post No.EM[protected]IN and delivered on 26/10/2015 (as per online tracking status) to the address given in the mail received from Whaaky.

But till date I have not get my money back.
Please help me to get my hard earned money back.

thanks
Akash Jain
[protected]@gmail.com
[protected]