To request a refund for a wrong recharge on Airtel, follow these steps: Contact Customer Support: Call Airtel customer care at 121 or 0915-327-6772. use the Airtel app for assistance.To request a refund for a wrong recharge on Airtel, follow these steps: Contact Customer Support: Call Airtel customer care at 121 or 0915-327-6772. use the Airtel app for assistance.