Hey aspirant

Forr JEE exam, there will be three subjects physics chemistry maths. Syllabus is entire ncert of 11 and 12th standard. NCERT is only a base. Questions will be highly ordered and difficult for JEE. You need to have good concept in all topics of ncert to score well in jee. By making concepts clear, practicing mcq's daily, you can score well in JEE. Refering ncert is not enough you need to do mcq and read more standard books like

For neet, there are main three subjects, physics chemistry biology. Syllabus is entire NCERT of 11,12th. Neet is comparatively easy but competition is high as there are only limited seats. You need to know each and every concept of ncert. Questions will be more direct. You should knkw each and every line of biology ncert. More than studying ncert you should practice MCQ daily