Hi aspirant, since you have 63 percentile in JEE Mains and you also belong to SC category as well so on behalf if this percentile yo can get the following state government colleges:

• I.K. Gujral Punjab Technical University
• University Institute of Engineering and Technology
• Department of Technology, Shivaji University, Kolhapur
• Shaheed BhagaT Singh State Technical Campus, Ferozpur
• Govind Ballabh Pant University of Agriculture and Technology, Pantnagar
• Beant College of Engineering and Technology

Etc.

For predicting more colleges I would like you to refer college predictor tool by careers360(link mentioned below);

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Good Luck.