Hi aspirant, since you have got 70 marks in JEE mains so on behalf of the marks you have obtained your AIR would most probably lie under 468001 and SC rank would lie under 65k. So on the behalf of your SC category rank you may enroll below public/government college;

• Department of Technology, Shivaji University, Kolhapur
• Punjab University, Chandigarh
• Govind Ballabh Pant University of Agriculture and Technology, Pantnagar
• I.K. Gujral Punjab Technical University, Punjab
• University Institute of Engineering and Technology, Chandigarh

Etc .

You can also predict your college by your own with the help of College Predictor Tool by Careers360(link mentioned below);

https://engineering.careers360.com/jee-main-college-predictor?utm_source=qna

Thank You.