Acer India — Not providing proper warranty services and Damaged my Laptop

These damages to my laptop are the prizes which are given by your authorized service centers Such as "Ruchi Infotech and Venmitra Systems
1) Ruchi InfoTech has damaged my Laptop System cooling Heat Sink for which I have mailed a month back
2) Venmitra Systems when they got First replacement of Laptop screen they tried to change but screen size was different so they handovered to us the laptop and asked to come when they will received the Laptop screen. At that time there is no damage on the Fabrication and Screen back panel. This shows that they have damaged the screen back panel and fabrication during the replacement of the screen. -- Now Acer Customer Care saying these doesn't covered in warranty.
3) Provided Faulty Screen replacement
4) For a Year I am facing a System shut down Issue which they are not able to solve.