Customs Electronics — about fake... and money receiver wisely...

I got a link in telegram. I click and joined in that group, all branded products are available i. E. I want to buy a product, i asked to chat with me but he delayed, then after some time, he replied me, he want money 50% before bought it and 500 delivery charges, my product cost is 7000... I. E.3500+500=4000.. I paid through paytm... He chatted with me after sending money also... After that he didn't respond... Please solve this problem... As quickly as possible... His name vijay singh rathore... He is using all hacked and safe browsing systems...