Naaptol Online Shopping — Leak customer confidential information and made a fraud

Address:	Gautam Buddh Nagar, Uttar Pradesh, 201301
Website:	www.naaptol.com/?ntpromoid=37401&utm_source=Yahoo_search&utm_medium=Bing-Brand&utm_campa

Naaptol Online Shopping a like (Bank Details, Product no., Purchase Date, Customer No. and Address ) to 3rd party vendor. Who make a call that you won a CAR kindly deposit some money (4000 –5000) as a filing charge and they will transfer CAR (4L-5L) amount in winners Account.
Getting a call on daily basis from Naaptol that I have won a CAR Maruti Alto in a lucky draw. He further said that I might get the money 4.8L in my account. He told me to deposit the amount of rupees 4500 in their Account. When I confirmed the news by calling on the naaptol tollfree number they told me that there was no such scheme by company and they do not ask for any money for delivering the prize.
Fraud's number is [protected], [protected], [protected]‬
My Question is from Naaptool how can they leak confidential information of customer with others?(Product no., Purchase Date, Customer ID and Mobile No. with my Complete Address)
Naaptol make a fraud with their customer. How can we trust with Naaptol during online Payment?. How Safe our online transaction / Confidential Information with Naaptol?