To tell you about ISM Dhanbad, it is a prestigious college of India, located in the mineral-rich region of Dhanbad, which takes admission through IIT-JEE or JEE-ADVANCE as you call it.
It was established in 1926 by Lord Irwin, the then Viceroy of India. What started as an institution to impart mining education has now grown into a multi-departmental technical university. ISM admits undergraduate students from the top 0.5% rankers out of the 1.5 lakh candidates appearing for IIT-JEE Advanced Examination.