Dear aspirant hope you are doing well...

NO, you are not eligible for the NDA EXAM. If you want to give entrance exam of NDA, YOU must pass 12th class with science.

NDA Educational Qualifications : Army Wing - Pass certificate in 10+2 exam For Air Force and Naval Wings - Passing Certification of Class 12th exam with Physics and Mathematics

NDA Age LimitUpper Age -   18.7 years Lower Age - 15.7 years

https://competition.careers360.com/articles/nda-eligibility-criteria/amp

Hope it's helpful thank you