Dear aspirant !

Hope you are doing great ! If you are in class 10th then you should start preparing ,it's not early ,its good to stary even I'm class 10th and read your class 10th sst,chemistry and biology with full concentration ,because in nda exam your class 10th portion also come with a high weightage in class 11th stary preparing your maths ,don't run behind finsihing the syllabus , first do sst , gk and English Strong and then in class 11th start your maths !

For more information about NDA ,visit the link ;-

https://www.google.com/url?sa=t&source=web&rct=j&url=https://competition.careers360.com/articles/nda-eligibility-criteria&ved=2ahUKEwiG3t3nr5v3AhUmzTgGHZCADFwQFnoECAQQAQ&usg=AOvVaw3pM7wni1gi1UtkU0jR-JmX .

Hope it helps you !

Thank you