Hello Student,

Below are the top colleges for bsc physics

• Indian Institute of Technology (IIT) Delhi.
• Indian Institute of Technology (IIT) Kanpur
• Tata Institute of Fundamental Research (TIFR) Mumbai.
• University of Delhi (DU)
• Indian Institute of Technology (IIT) Kharagpur.
• Indian Institute of Space

Cut off is available at official website you can visit below as it is given in terms of KVPY you can check the KVPY cut off for bachelor's of Science in research program

https://www.iisc.ac.in/admissions/faq/

Thanks