Mechanical Keyboard
Here are some Tenkeyless Mechanical keyboards available in India.
https://www.thecosmicbyte.com – they have keyboard switches, have keyboard similar to Reddragon.
https://meckeys.com/category/keyboard/80-keyboard/page/1
https://www.genesispc.in/products/royal-kludge-rk-r87-black
https://keychron.in/product/gateron-switch-set
Switch Keys in Ubuntu
My escape key stopped working. I don’t use the caps lock key much, so I changed capslock to function as escape key.
sudo vi /etc/default/keyboard
Find the line that starts with XKBOPTIONS and modify it to include caps:escape:
XKBOPTIONS="caps:escape"
Reboot the computer.