Beratena Agrahara is not another address for this person. They work at SAI Laptop Service in Ganesh Complex, Electronic City, opposite Infosys. The counter is walk-in only.
They will not sell crumbs as a new keyboard
A key blocked by crumbs can be a clean of that key. A key that stays dead, a row that repeats, missing letters, or a spill that soaked the mat is a keyboard replacement when the keyboard is the fault. They say which of the two it is. They also handle a cracked or dim panel, a battery that swells or dies early, an SSD or a new drive when the disk is why the machine is slow, heat from the fan and heat sink, and pop-ups cleared by removing malware.
Why a small fault stays small
The benefit is proportion. Dust in one key is not upgraded into a new keyboard on the quote, and a ruined row is not waved away as dust. You hear that split before any paid work.
Say whether liquid was involved when you call 099724 47766. The services page, the Beratena Agrahara repair page, and the technician page describe the rest.