Airtel — sim card lock without information

Address:	332701
Website:	mail.airtel.in

Dear sir, i use a airtel number last 3 year number is [protected] and this number i do link with aadhar bank and lot of other important things but last one month company lock my sim card without any information now i am out of india and not able to come india before july 2018
I have already send to my parents in airtel office along with my documents and aadhar card but company say to that without my fingerprint thy can not unlock my sim card
Please take action