Xiaomi India — Fault done by xiaomi service center

Address:	400068
Website:	xiaomi

Due to my mistake my mobile gets locked. So for this i have submitted it to xiaomi service center malad, mumbai. For this they charged me for 230rs. I paid it at that time only. Issue gts resolved in 2hour. But after resolution my sim card stopped detecting in my cell phone. I report this at that instant only. So for this they have submitted my phone. Now they are saying that faulty part is not available hence it will get delayed in repairing. But as per issue there was no hardware issue in my cell, there is only pattern which was gets resolved after doing some software activity. Need help in this as im in big trouble.
My no. Is [protected]. Kindly accept my complaint.