Hello Saleem,
Candidates who will be appearing for the Class 12 exam in 2019 are also eligible to apply for the NEET exam. Candidates are required to fill Class 10 and Class 12 details but those who are appearing for Class 12th exam in 2019 will have to choose the “Appearing” and “Result awaited” options.
The application form for the NEET 2019 exam will release on November 1, 2018. The last date for filling up the application form is November 30, 2018.
Don't worry. Focus on your preparation for the exam.
Good Luck!