Rediff.com India — Product ordered is not delivered for more than 20 days

Website:

shopping.rediff.com

I have ordered a product through rediff Shopping and it has not been delivered yet. When i sent email there were no reply form them.
When i contacted the seller the seller number is out of service. I have sent several emails to rediff but no response.
Order Details:
Date: 17 Feb 2017
Order ID: 14142113
Order Status: Approved
Product: E-Kart Foot Air Pump Heavy Compressor 8cm Cylinder Bike Car Cycles & all other vehicles
Order Amount: Rs. 328
Delivery Status: Ready to dispatch.
Vendor: Niara
Vendor Contact No:
[protected]
Vendor Email:
deals.[protected]@gmail.com

Thanks,
Senthilvel [protected]