Hello Aspirant

It's totally fine that you want to learn in your mother tongue as it'll be more comfortable and easy to grab for you.

You can visit the local institutions near your place, also some YouTube channels, just search neet classes in Kannada language, you will get ample amount of options.

Also you can buy any book from stationary shop and can do self study.

For knowing the preparations secrets, you can visit the following link:-

https://learn.careers360.com/medical/neet/

I hope this information would be helpful for you.

All the best for your bright career ahead