Gundubilli Ramakrishna — Telegram fraud about electronics

Website:

Telegram channel

I duped by Gundubilli Ramakrishna, the person who has a channel in telegram and himself he mentions that he is assistant of customs officer. I checked through all telegram channel in that he shows proofs regarding the products like phones, laptops and playstations. I believe him and sent 3000 rupees to purchase a phone after the payment he blocked me and don't know what to do.please arrest this guy because of him lot of people are cheated.