Crompton Greaves / Cgglobal.com — complain no [protected]

It's very bad experience of my regarding your crompton water heater. I have raised this complain in month of january 2020 till now no engineer have visited my place. And when i call the area manager he say he will arrange but no response from his side.
I am really tired, as i had resent purchase the water heater product their is no proper response from your customers care side the product is in warrant.
If you can't provide services to place jigni bangalore then why you guys sell products in jigni. I need this to attend on prority.