Although no official announcements have been made so far for Bihar, NTSE Application form for Punjab, Maharashtra, Gujarat, Chhattisgarh, and Meghalaya has been released State-wise.
For other states it will be released in the second week of October 2020. NTSE 2020 application forms will be released in online and offline mode. Students can fill NTSE application form 2020-21 through respective schools.
The tentative last day will be around the middle of 2nd week of November.
For more details:
Hope this helps!