Xiaomi India — redmi 1s is in forgot my password locked

Address:

Shahapur belgaum, Belgaum, Karnataka, 590003

I have given my redmi 1s mobile to unlock mi password as i have forgotten the password. The phone is in the service centre with the bill and my i'd proof.. A week back but still these people are not able to unlock the phone and the service centre people are asking me for the mobile box.. My complaint is to xiaomi please look in to this my job sheet no is wxin[protected], i have also made my complaint to the customer care service centre, but they are also delaying from there side