Su-Kam — inverter connected appliances are not working on ac supply

Address:

Sector 6, CDA, 753014

My Sukam inverter not working and is under warranty. So I called the toll free number and the customer service executive said that the technician will reach my house within 8 hrs. After 2 days and many calls no one has come. Their technician's behavior is very bad. He even told me that if I did want his service I should wait till he is free as if he was doing me any favor. After sell service experience is very poor from Sukam.