Neeladri Nagar is not the bench that changes a keyboard. That bench is Ganesh Complex, opposite Infosys and above the TVS showroom. The laptop comes to the bench. The bench does not travel.
A mat is changed only when the mat is dead
Keys that repeat, stay silent, or have lost their caps are a keyboard replacement. A sticky key that is only crumbs is cleaned and left. A drink that killed a row is a replacement, and a setting cannot revive it. Screens, batteries, an SSD or a new drive, heat, and a virus clean are done when those faults are the ones they find.
You are told clean or replace
The benefit is that fork. The quote says which, and paid work follows the fork you accept.
Phone 099724 47766 and name the silent keys. The services page, the Neeladri Nagar repair page, and the main near page are the keyboard bench.