Chirag Gupta, 22-year-old engineering student, arrested in Bengaluru for a ₹3.7 lakh Amazon scam involving fake refunds.Police confiscate ₹20.34 lakh worth of gadgets, including 16 iPhones, linked to the fraudulent case.Gupta's scheme entails ordering iPhones, canceling post-delivery, obtaining refunds without returning goods, resulting in his apprehension.