how to increase sitting n mental capacity to study maths n physics?does solving difficult problems in maths n physics in last year will help in jee exam?

Are core branches(Mechanical) in Top 3 NIT worth it ?

My rank in JEE Advanced 2022 is 1871. Should I go for IIT Guwahati ECE or IIT Kanpur Mechanical and try for a branch change to CS or Electrical Engineering? Is changing your branch very difficult?

What awaits me after jee and do you think it's worth it?

Can i sacrifice board exams for jee mains as board exams are no where valueable as cuet and other will be seen for admission

Is a student studying in IGCSE syllabus eligible for taking IOQP or IOQJS?