Hello Akshat

Admission to Bachelor of Science degree (BS) in IISc Bangalore is done on the basis of merit of candidates in JEE Main, JEE Advanced and KVPY. Candidates must fulfill the eligibility criteria if they wish to take admission through the three channels- JEE Main, JEE Advanced and KVPY.
You can go through the link below to check the detailed eligiiblity criteria-

https://engineering.careers360.com/articles/iisc-bs-admission

Good Luck!

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