Esutta.com — Product not delivered and refund was not processed

Address:	Gautam Buddh Nagar, Uttar Pradesh, 201303
Website:	Esutta.com

I purchased an E- Cigarette and some eliquids from Esutta.com on 25th march 2017 with the name of Mukesh. Product delivery was promised to be 3-4 days.
When i called them after 5 days, they said the product is out of stock and promised to deliver the product soon.
After that they stopped picking my calls and one day when they picked I asked for the refund. They said they will refund the money.
Áfter that they stopped picking my calls again and no refund was processed.
So I am left with no product and no refund.
Please do not purchase any product with them again. They seem to be cheaters.
I am planning to register a complaint with national consumer forum.