The 4-year BS in Biological Science at IIT Madras is a campus-based undergraduate program offered by the Department of Biosciences. One of the primary factors that makes this program unique is that admission does not happen through JEE Advanced. Instead, students are admitted through the IISER Aptitude Test (IAT). This makes it an attractive option for students interested in biology and research, even if they are not pursuing the traditional engineering route.
Admission Through IAT
To apply, you must register for the IISER Aptitude Test and satisfy the Class XII eligibility criteria announced for that admission cycle. After the IAT results are released, counselling and seat allocation take place, where you can choose IIT Madras BS Biological Science as a preference. The exact cutoff varies every year depending on competition and seat availability, but students generally aim for a strong IAT rank to secure admission into IIT Madras.
The course structure
The program is structured across four years.
In the first two years, you build strong foundations in: Biology, Chemistry, Physics, Mathematics, Programming and Laboratory sciences.
The later years become more specialized and research-oriented, with courses and electives in areas such as molecular biology, genetics, biotechnology, computational biology, and bioinformatics.
The curriculum is designed to provide you with a strong exposure to modern biological sciences while also preparing you for research and higher studies. Students interested in continuing further can later explore MS or PhD opportunities in Biological Sciences and related interdisciplinary fields.
Fees and Scholarships
The total tuition fee for the complete program is approximately ₹10 lakh, while the combined hostel and mess fees are around ₹40,000 per semester. For SC/ST students, the overall payable amount is significantly lower because of institute fee concessions. IIT Madras also offers income-based fee waivers, scholarships, and financial assistance schemes for eligible students. You can check your eligibility here.
Career Opportunities
Graduates from the program can pursue:
MS and PhD programs in India or abroad
Research careers
Biotechnology and pharmaceutical industry roles
Bioinformatics and healthcare-related fields
Academic and teaching careers
The program is especially suitable if you are interested in research, interdisciplinary science, or the growing intersection of biology and technology.
How is it different from similar programs?
Students often confuse this program with a few related degrees at IIT Madras.
The BS + MS Biological Sciences is a 5-year integrated research-oriented dual degree, while this is a standalone 4-year undergraduate program.
A B. Tech in Biotechnology is engineering-focused and requires JEE Advanced, whereas the BS Biological Science program is more science and research-oriented.
The BS in Medical Science and Engineering combines biology with healthcare technology and engineering applications, while Biological Science focuses more deeply on core life sciences and research training.
Final thoughts
The BS in Biological Science offers a unique opportunity to study biology at IIT Madras through the IAT route instead of JEE Advanced. If you enjoy biology, research, biotechnology, or interdisciplinary sciences, the program provides a strong academic foundation along with access to the IIT Madras research ecosystem.
To know more about the biological sciences program at IIT Madras, visit AskIITM Community.