Dear,

You can go to instutues also. And try to spend more time with those subject in which you are lacking behind or there are some application are there even that also help you Like BYJU'S which is learning application i hope that also help you out.

Lot of option are there to come up with with this dear. But the thing is give more time to those subject and go through with the instutes as well.

I hope you catch my point.

ALL THE BEST.