EKLH Keyboard Link: Download, Install, and Master EKLH-25 Hindi Typing
An open-source firmware. If your board supports QMK, you do not need a vendor-specific link. You can use the official QMK Configurator online. eklh keyboard link
If you have downloaded the software from your link but the program says "Device Disconnected" or "Keyboard Not Found," try these rapid-fire fixes: EKLH Keyboard Link: Download, Install, and Master EKLH-25