Should we go through jee advance to get a seat in NIT...

After my board exams. I have only 1 and a half months to study for JEE MAIN exam. Could I go through the exam?

Absolutely no! JEE mains is the exam which is for a seat in NIT! Jee advanced is for all IITs and ISM dhanbad! no need to worry about advanced for a seat in NIT! Just study well for mains! thats it!

@ ROSHAN 
jee advanced is the exam for all iit and ism dhanbad selection , and jee main is the exam for selection into nit.
if u wl able to clear jee mains then go for jee advanced and if u wl nt qualify their then also u wl get a nit, 
do well in board exams , becoz 40 percent are gng to add frm 12^th board.
so, target 90 above percent in 12^th board and try to score 200 in mains , then u wl get a average nit.
HOPE IT CLEARS YOUR DOUBT 

BEST OF LUCK .