Hello Aspirant! The National Level Science Talent Search Examination (NSTSE) is one of the popular olympiad exams among students. NSTSE invites students from Class 1 to Class 12 to apply for the 2020 session. It's a completely online exam. This exam doesn't require visiting any center and can be taken from the comfort of your home. All a student needs to have for taking this exam is a PC/Laptop with an Internet Connection and a Web-cam.
So, it will also be online in 2021-22.
Hope this helps.

Hello

NSTSE stand For - National Level Science Talent Search Examination.

Students studying Classes 2, 3, 4, 5, 6, 7, 8, 9,10,11(PCM) ,11(PCB),12(PCM) and 12(PCB) can sit for the examination.

NSTSE follows CBSE syllabus, Question Papers are also suitable for Students of ICSE/ISC and Various State Board/Matriculation Syllabus.

'NSTSE-online' is a completely online exam. You do not require visiting any center. You can sit forExamination from the comfort of your home. All you need is a PC/Laptop with an Internet Connection and a Web-cam.

Hope It Helps :)