Xiaomi India — redmi 6 pro - sim automatically deactivated and starts only when we reboot the mobile.

Address:	Ward no. 22, kishangarh renwal, jaipur, Jaipur, Rajasthan, 303603
Website:	www.mi.com

Dear sir/ madam i bought a new redmi 6 pro handset from a shop in my town kishangarh renewal. And from the date of bying my handset has a trouble with its sim. My sim idea cellular automatically gets deactivate. I send my mobile for any repair at mi service center they changed its system and hardware but still this problem is same. I contact customer care they only provide basic details. So kindly help me regarding this problem... Some times people call me on my phone when it's very urgent but i don't know whether my sim is deactivated automatically. This is too unbearable. I paid money for this phone working 12 hours a day and this showing me wastage of my money please take some necessary steps to eradicate this problem. I will be thankful to you for this kind act...