Xiaomi India — Xiaomi redmi note 3 not repaired in the given time period of 25 days and its been 1 month and 7 days since i have submitted my phone

Address:	Gautam Buddh Nagar, Uttar Pradesh, 201301
Website:	www.mi.com/in

Please go through complete complaint and then you would know what a fool they are making of the customers.
Hi my name is Vatsalya Verma and I had an hardware issue in my Xiaomi Redmi Note 3 which is currently under warranty. I went to the customer service centre which is located in Noida Sec.18 just beside Bamboo Shoot Restaurant on 12th October 2016 and told them about the issue. They said it was related to the motherboard of the phone and I would have to leave my phone there for a maximum period of 25 days and after that I will surely get my phone back. The phone is purchased on my Father's name (Sharad Kumar Verma). Its been over 5 weeks and still I haven't got the confirmation that my phone has been repaired from the customer service centre's side. Neither do they call me nor they pick up my phone, every time I call them, there phone keeps on ringing and they don't answer it. I have also complained in the MI call centre and after my tons of calls they have put my case under high priority but that is of no use since they told me that they would be contacting me and would be providing me update regarding my phone today i.e, on 18th of November 2016 but they didn't reached out to me and then after going through a lot of frustration I again rang up to them and asked them to transfer my call to senior executive... finally I was able to talk to some supervisor but he was also unable to provide a proper solution as to when my phone will be repaired. He told me that I should give them some more time. I don't understand what does this "Some more time" means to them.
The service centre people have answered my call may be a couple of times and the last time I spoke to them was on 16th November, 2016 but they told me that my phone has not been repaired yet and the part which was meant to be repaired in the phone has not been shipped from Bangluru since last month and they also said that may be the "motherboard" has been shipped yesterday and would be reaching their office today and they told me that I would get my phone back soon. I didn't know how come they didn't got the part since the last month. Was the part they demanded was coming on foot or what??? or had they been fooling around with me and actually they were carefree and didn't asked for my phone's part from their headquarters or else they they didn't informed the headquarters about my problem??? I asked them to give me my phone back till Saturday i.e, 20th November 2016 in whatever condition it may be and then I told them that I will be filing a legal complaint against them that they have been so much poor in their customer service which includes all sorts of problems I went through during this period and what all I did to get my phone back. They then said to me that they will try and repair my phone till Saturday and will be updating me before hand and till this time I haven't received a call from their side.
The problem with my phone was that it was running on Beta rom and when i tried upgrading it to stable rom it displayed a message stating that the'update package cannot be verified'. Then I contacted the MI call centre and told them about the problem and they asked me to fastboot or manually flash my rom on the phone. I did it and after I completed that process I found out that in my phone's hybrid sim slot my 1st sim was not detected and only one sim was detected in that. Then I again rang up to MI call centre and told them about this issue, and they asked me to perform a hardware test on the phone which would tell me that my phone's sim slot is working or not and when I ran the test it displayed 'Failed' notification so when I told them this they said it was the issue with the motherboard of the phone and I would have to take it to the nearest customer service centre. Next day that was on 13th October 2016 I submitted my phone on the below mentioned address and all my necessary details and Jobsheet which they gave me as a complaint ID which is attached herewith.
MI Customer Service centre
Noida Sector 18
Beside Bamboo Shoot Restaurant
201301
Also the no. which they have provided on the net is not working for the Noida service centre and so I asked for an alternate no.form them and they gave me a personal no. of their head staff which currently works their.
His name is Mr. Ranjeet Kumar ([protected]).
He is the person responsible for all sorts of trouble I have gone through after the submission of my phone.
This is the customer service no. for the Noida centre for all the people who might get to the end of this complaint.
I demand them to return my phone as within 2-3 working days else they provide a new handset to me or they give me a complete return of my phone as it is under warranty for the next 4-5 months.
My Jobsheet no. is WXIN[protected]
I would be highly obliged if my complaint is heard and answered from the company's side.
Thank You