Hello aspirant

It's better if you clear your failed Subject ie maths. Though you are declared pass , you are failed in most important subject that is basis of Engineering admission. Admission to Engineering courses depends upon one of the entrance exam  either main score / CET score and combination of three Subjects , Physics, chemistry and maths. Even if you get less marks in maths , you will get a seat in Engineering college .

Eligibility criteria to appear for jee main and also Engineering college, is to have Minimum 50% ( general category, 40% for SC/St/OBC) marks in PCM . You must have passed seaparately in each of subjects .