Well you will have to appear for JEE Advanced. But before that you will have to appear in JEE Main, qualify to appear in JEE Advanced. If you get a high rank then you stand a good chance of admissions at IIT Dhanbad. Mind you you must have passed class 12 in 2017 or 2018 to be eligible for JEE Main. Then class 12 % should be 75% or you should be in top 20 percentile of your class 12 board.So these are the minimum eligibility criteria you have to meet.