The eligibility criteria for punjab master cadre exam for science stream medical or non medical is B.Sc. with any of the two subjects i.e. physics, Chemistry and Mathematics or should have passed B.Sc. in Physics and Mathematics or any other equivalent qualification and Should have passed B.Ed from a recognized university or an institution with Science as one of the teaching subjects as per guidelines of the University Grants Commission.you have to fulfill both criteria since you have done b.tech in graduation you are not eligible for this post.

However you can give this exam in maths stream if you have maths as one of your subject in b.tech and also you are doing b.ed with maths as one subject.