Mitashi — my tv is not working

Please be informed my tv is not working.
My call no. Is[protected]o0027 executive visited place but parts are not available. Why you sell products if your parts are not available. Product is under warranty. No response from email [protected]@mitashi.com, [protected]@mitashi.com. This number is not working [protected]. No number are working.
I have raised ticket on 18 march 2020. I can understand covid situation now all call center are working. But mitashi is not providing response via email and call center are not working. So kindly provide refund if you are not able to repair parts.
Reg no for mepw[protected]
What is used of warranty if parts are not available. Kindly provide new tv or refund my amount.
Regards,
Jayant tondon