1)UPI fund transfer are free of charge.

2) Simply enter your UPI ID and you should receive a payment request on your UPI app. Once you accept this request the amount will be credited to your account instantly.

You can transfer funds via these UPI apps: 

1. PhonePe
2. Google Pay
3. Paytm
4. Amazon Pay
5. Yes Bank Apps
6. ICICI Bank Apps
8. Cred
9. Airtel Payments Bank Apps
10. Kotak Mahindra Bank Apps
11. Axis Bank Apps
12. HDFC Bank Apps
13. State Bank of India Apps
14. Samsung Pay
15. Mobikwik
16. India Post Payments Bank Apps
17. IDFC Bank Apps
18. WhatsApp