hello sir,i am giving my 12th boards in 2017and i am want to drop a year for iitcan i write iit jee advanced in 2018?cause i heard that if u have not appeared in iit in first attempt then u r not eligible to re appear plz help me sir????thank u....

@ aahil 
its nothing like that , rest assure , u can attempt jee advanced in 2018 . 
but why u dnt want to give a try on 2017 itself , u need to decide for drop only after getting result in the frst attempt , beacuse dop is not actually a easy thing to handle about still , u will be in pressure for a year , 

so, its best to take a try on 2017 , if not getting ur req college and u thinks u can do better , then in that case u can take drop 
|ALL THE BEST