Deckup store - Online fraud product not delivered

The fraudster posted an advst on quikr.com to sell furniture items giving
WhatsApp number **********. I contacted thru WhatsApp on dat number
and date person told dat he is from deckup India Pvt. LTD and they are no.
* seller on Amazon and flipkart for furniture items. Thereafter he told me
dat it is a big company and if I place order same day on December **,
**** I will also get additional **% cash back if I pay thru visa/master debit
or credit card. I paid the money and an invoice.was sent to my email.
Thereafter, he continued to promise dat delivery will be done by Dec **.
However, on Dec **, he blocked my number on WhatsApp and his number
is coming temperorily out of service. Kindly help me get backy *****
rupees.