Hello Aspirant!
Looking at your percentage scored in 12th science stream(i.e 67.71%) with Physics, Chemistry and Biology as the subjects ,you can opt for the general private colleges for bsc in physics or you can opt for your state govt general colleges for bsc in chem. Going for engineering, you can give jee mains and can go to any of the govt or private engineering colleges. Going for medical you can give neet and can go for any private medical colleges.