Hello chakresh !!!

You will be provided with English and Kannada (question paper medium).As per the guidelines ,if a candidate chosen for regional language will be provided with a Bilingual Test Booklet in their chosen language and english .And you chosen kannada ,it will be only available in the examination centres of karnataka state .For more details about NEET 2020 pattern just go through the link provided :

https://medicine.careers360.com/articles/neet-exam-pattern

Hope that helped !!

Good luck !!!