WD My Cloud (WDBCTL0040HWT) 4 TB Desktop External Hard Drive (White) Rs.13164
https://paytm.com/shop/p/wd-my-cloud-wdbctl0040hwt-4-tb-desktop-external-hard-drive-white-STOWD-MY-CLOUD-SPAR276632A70BFCF1

Use code HDD2200 to get 22% Cashback (Max.cash back Rs 2200. Max 1 order per user). COD option will not be available on applying this Promo Code

Price Comparison:
Amazon Rs.14775
http://www.amazon.in/WD-Cloud-4TB-Personal-Storage/dp/B00EVVGAD0
Snapdeal Rs.14699
https://www.snapdeal.com/product/wd-my-cloud-4-tb/1132548498
Ebay Rs.15515
http://www.ebay.in/itm/4TB-Western-Digital-My-cloud-personal-Storage-External-Network-USB-Drive-WD-4-TB-/331595535398?hash=item4d34a25426