Hi sir,
.
Yes, ofcourse you can  pursue law in Canada
Canada offers a very best facility and faculty for law students..
As you already complete 12th in science...
Apply for it  immediately before seats gets finished.. seats gets filled fastly then expected
Minimum percentage they are asking is 45%...
.
Hop you will get a seat in best college.
.
Thank you
Ask for further questions if you have