B.Sc Eligibility

Yes you are eligible for it.

You should have passed 10,+2 or equivalent with the minimum aggregate of 50% (45% for SC/ST) marks from a recognized board. The student should have chemistry in 10+2 and scored minimum 60% marks in chemistry.

Pass 12th or equivalent exam with English subject securing minimum 50% aggregate.

Basic eligibility to secure admission for Integrated B.Sc + M.Sc in Nanoscience and Technology in Shivaji University is that candidate should have a minimum pass mark of 45% in class 12. Candidate must have passed 10+2 in Science stream.
Final year appearing candidates can also apply on provisional basis.
Those Candidates who belongs to other state will have to score minimum 55% marks in 10+2.
Final Selection
Candidates are selected based on Shivaji University entrance exam score and marks obtained in 10+2.
Selection parameters and weightage :
Entrance Exam Score- 50%
10+2 exam score - 50%
Regards.

B.Sc Eligibility criteria in terms of mandatory science subjects (PCM/ PCB/ PCMB) that candidates need to have in Class XII to secure admission in different B.Sc. Courses (Honours/ General) is mentioned at the link provided below:
https://www.shiksha.com/science/articles/what-is-bsc-course-all-about-know-the-full-form-eligibility-scope-blogId-13262

Basic eligibility to qualify for this course is that candidate should have cleared class 12 from a recognised board. Even if you haven't opted for maths as one of your subject in class 12, you will still be eligible. Admission is based on marks obtained in 10+2 from recognized board. Regards.