The NTSE syllabus of 2020-21 includes topics from 9th and 10th class syllabus of CBSE and state board. NTSE exam syllabus is divided into two parts: SAT and MAT as the exam are held at two stages.
NTSE SAT syllabus comprises of Maths, Social Science and Science subjects whereas NTSE MAT syllabus consists of verbal and non-verbal reasoning.
It is to be known that applications for NTSE stage 1 2020-21 is not release till due to an enormous outbreak of Corona virus as a global pandemic.
For detailed syllabus refer to the link given below :-
I hope this information helps you.