Xiaomi India — Very bad service centre (not returning phone even after 19 days) very bad company/service centre

Address:

Hisar, Haryana, 125005

I had submitted my mobile phone (redmi note3) at Xiaomi service centre Parijat complex hisar haryana INDIA with service order no WXIN[protected] on dt- 08/08/2016 after standing 2 hours in a queue and now even after passing 19 days the position is still same . They said that parts are not provided by company we cant do anything . Very bad response very bad company/ service centre. They said that you may wait one month more if company not provide parts. In never purchase in my life any xiaomi phone in my life . very bad experience.
please help me in getting my phone