Butterfly Gandhimathi Appliances — No response for warranty claim

We have mixy not working properly, so we decided to do a warrenty claim but the proffesional are not doing the work(repair the item), we have called the given phone number of the person(who repair the item for the warrenty form the store) but no answer in response. The store is located in Thuraiyur-621009, Trichy, Tamilnadu