Exide Industries — Exide Battery and Inverter not working

We have purchased Exide battery and inverter on 11/07/2021 from United batteries(Sreenivas my brother) Davanagere.577002. After ten days system stopped working(By 25/07/2021). Immedietely we complained.Complained has been registered and the ticket number is 2357044(On 30/07/2021). In spite of so many calls and requests to both dealer and service centre, the problem is not attended.
we have very good opinion about your products.But unfortunately dealer and service personel not caring and attending our problem.
Please listen and attend to our problem.
I am enclosing copies of the bill warrenty cards complaint registered detail. I hope you attend as early as possible. Thanking you, Venkatesha murthy H, Principal Government Pre University College.Pin 574198. Dakshina Kannada, Karnataka.