You can learn black arch Linus in tamil in youtube ..as It has many channels and a can be preferable to study through it...

Or you can go through the app namely Ethical hacking termux in tamil..the link for app is provided below

https://play.google.com/store/apps/details?id=com.dragonfistztamilan.ethicalhackingtermuxintamil

Hope this will help you

Good luck!!