NEST or National Entrance Screening Test is an examination conducted by NISER in order to provide admission to 5 year Integrated courses in Science subjects offered by NISER & other institutes in India.

The eligibility criteria for the NEST is provided below:

• (a) Secures a position in the NEST merit list. Please refer to page 11 of this document for the rules of merit list preparation.
• (b) Passed the XII standard board examination in the science stream in the years 2020 or 2021 or has appeared in 2022 from any recognised Higher Secondary Education Board in India.
• (c) Secures at least 60% in aggregate in the XII standard board examination. For SC/ST/Divyangjan candidates the requirement is 55%.
• (d) Born on or after August 01, 2002. For SC/ST/Divyangjan students the limit is relaxed by five years.

As you can see there are subject requirement that you must be from science background but it don't mentions that you need to have Mathematics compulsorily. So you may not need to have Mathematics in 10+2 but in the NEST examination, there will be four sections in Physics, Chemistry, Mathematics & Biology. SO you need to know mathematics as per the suggested syllabus of NEST.

For the official brochure you can consider the link below:

https://www.nestexam.in/docs/22/NEST2022-Brochure-Syllabus.pdf

For colleges offering admission through NEST you can consider the link below:

https://university.careers360.com/colleges/list-of-degree-colleges-in-india-accepting-nest

For NEST exam pattern & other details you can consider the link provided below:

https://university.careers360.com/articles/nest-exam-pattern

I hope this helps. Wish you a great eve!