Hello Akhilesh

To pursue dual degree BSMS you will have to appear for entrance exam conducted by university or jee advanced.

Full form of BSMS is Bachelor of science- Master of science.  It is a dual degree program in many disciplines of science.  The degree MSBS is offered in four subjects - chemistry, Biological Sciences, Earth and Environmental Sciences, mathematics and physics.

Eligibility fot the degree is that the candidate must have passed class xii in science stream with minimum 50% marks.

We can say that It is integrated Bsc and MSc degree in which the candidate doesn't have to see various colleges for master's course.

The course awards both graduate and post graduate degree to the candidate.

It is five years Course.

NIER National institute of education and research , Bhubaneswar offers this course ,fees is 88,250 for Full course .

Other institutes offering the course are

IIT kanpur 1,36,900 per year

IISER 35,000 per semester

Indian Institute of science 18,950 per semester

For details you may visit the link given below

https://www.careers360.com/courses/bs-ms-dual-degree