What is top 20 percentile of 2019 hsc board
Hello Rushikesh.
For IIT top 20 percentile: https://mahahsscboard.maharashtra.gov.in/hsc_online/notification/top20_iit_web.pdf
For NIT top 20 percentle: https://mahahsscboard.maharashtra.gov.in/hsc_online/notification/top20_nit_maharashtra.pdf