With a JEE Main percentile of 62.5 and belonging to the OBC-NCL category from Karnataka, you'll need to focus on colleges that accept lower ranks, particularly within Karnataka or through state quotas. While top-tier NITs and IIITs are unlikely with this score, you can explore private engineering colleges and some state-level government institutions.

Private Engineering Colleges in Karnataka:

Look into colleges like CMRIT Bangalore, REVA University, and Jain University's Faculty of Engineering and Technology, which are known to accept JEE Main scores.

Check here for college predictor:

https://engineering.careers360.com/jee-main-college-predictor?utm_source=jee_main_cp&utm_medium=GoogleAds&utm_campaign=1001&gad_source=1&gclid=Cj0KCQjwtpLABhC7ARIsALBOCVqSNuVzBNC6oiYjtR0b6bv54Q2w4WapXxckvUws4PTHZAStxRKyxfgaAgRPEALw_wcB