Liv Care Water Solutions — liv care water solutions no ro water service(service provider denied)

Address:

Gautam Buddh Nagar, Uttar Pradesh, 201301

I have taken one year amc of Rs. 5500/- for my RO water purifier from liv care water solutions. I have called them so many time but no one pick my call. Here is the number "[protected]" of that person who came to my home and take my money and after did not pick my call.
I have also tried to call Liv Care Water Solutions but they also did the same to me. I am trying to call them since June 2018.

Now i am not able to understand what action should i take and where to contact.

Here is my details.
[protected](registered mobile number)