Vijay Sales — Microwave oven

Address:

Vijay sales, paud road, pune ,maharashtra

My microwave oven purchased just 2 yrs ago from vijay sales paud road branch.
Its magnetron part is damaged it seems.two things...
Why the part got damaged so early?was a defective product given?
And no one is reponding from vijay sales regarding my complaint.
I have called many times since 24th oct.
No response.
Onsite thing was suppose to resolve the issue.
No one contacted or visited.
I have all call recordings. And i can raise complaint at consumer court.