Hello there!
Greetings!

Yes, your sister can appear in neet examination as open schooling students are also eligible for neet examination

You can check the neet eligibility criteria provided below :-

• You sister  needs to get at least 50 % aggregate in pcb in your class 12th board examination from a recognized board if you belong to general category ; while it's only 40% aggregate in pcb for obc, sc and st categories , 45 % aggregate in pcb for pwd category.

• To be eligible for Neet 2020 your sister needs to be at least 17 years old or more by December 31st, 2020 .

• There's no upper age limit for neet 2020.

• There's no attempt limit for neet examination.

• Students appearing for Class 12 th boards in 2020 are also eligible for neet 2020.

• Recognized open boards like Nios etc, private students are also eligible for neet 2020.
  

For detailed information about neet examination go through our page for which link is provided below; -


https://medicine.careers360.com/articles/neet/amp


Thankyou