The Bachelor of Science (Research) in Physics is a four-year program in iisc banglore In the seventh semester, you'll start a research project along with advanced elective courses. Your final semester will be dedicated to the project. The Indian Institute of Science (IISc) admits students through JEE Main, JEE Advanced, and KVPY for this course.

you need a very high percentile in JEE Mains, generally around the 90-95 percentile range, with a focus on securing a top rank in JEE Advanced as IISc primarily considers JEE Advanced scores for admission while JEE Mains score is considered for eligibility, your final selection will be based on your JEE Advanced rank.  a rank within the top 500 for the general category is usually required to be considered for a physics program at IISc.

Also you can look IISC BANGLORE PREVIOUS YEAR CUTOFF

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