sir/mam cn i take maths as a alternative subject n pcb as a main subject
n it is nescessary to pass the alterantive subject
You can take maths as an alternative subject along with PCB.
According to the CBSE Guidelines, it is mandatory to get through in any 5 subjects.
So if you take mathematics as an alternative subsject and if it is one the five subjects chosen by you then it is mandatory for you to pass in maths.