Dear Aditi, admission to IISER can be done only through 3 channels namely KVPY, SCB and JEE. NEET is not a valid entrance examination for admission to IISER colleges. NEET is the emtrance examination for admission to Medical, Dental and Ayush colleges across India. In addition to that, NEET scores are considered for Veterinary Sciences. For more information on IISER and its admission process, please visit their page at: https://www.iiseradmission.in/eligibility/