Can a PCB student without maths do B.Sc Physics or B.Sc Computer Science?
No, both B.Sc Physics and B.Sc Computer Science need Maths in 12th, so they're not open to you. But there's plenty for PCB without Maths: B.Sc Chemistry, B.Sc Environmental Science, B.Sc Psychology, BBA, law, design, nursing, or hotel management.