Airtel — missing my phone with sim card

Address:

Kanpur, Uttar Pradesh

Sir, hamare family ka mobile chori ho gaya hai aur uske saath sim bhi chori ho gya hai aur hm logo ko ye yaad nhi hai ki ye sim card kisske naam pe tha kunki bhut dino phle liya gya tha aur hme ab is sim ke number ka dusra sim lena chahte hai lekin hame aap jra ye bta dijiye ki ye number [protected] kiske naam pe hai please tell me...