hello aspirant,

I hope that you are doing absolutely great.

With reference to your above mentioned query, i would like to tell you that Yes, you are eligible for NEET UG Counselling even if you have dual enrollment for writing biology exam from NIOS.

Further, Yes, you can also use your transfer certificate from your State board examination to apply in neet UG Counselling process. School Leaving certificate or transfer certificate is same only . You can provide that in the state counselling.

Further, if you want to know any other details about NEET UG Counselling or about the NEET 2022 exam, then you can follow the below mentioned link :

https://medicine.careers360.com/articles/neet-counselling

https://medicine.careers360.com/articles/neet-2022

I hope that this will help.