Hp — not providing service under warranty period and waiting for monitor to start pc since last 13 days

Address:

Rajkot, Gujarat, 360001

I had bought hp computer and is under warranty and just after 3 months of purchase monitor stops working and i had lodged complaint on 20/07/2018 and today is 02/08/2018(13 days) after also after 5-6 times calls in customer care they are not able to resolve the same and answering that they does not have this monitor in warehouse.This system i am using in my office and i am facing revenue loss and other problems due to this stoppage.I am totally dissatisfied with the service and service time and still they are not able to give me time when this problem will be resolved.
Its my humble request to help in this matter and provide me the resolution and justice.