Congratulations for securing 38000 rank in jee mains. It is very much certain that you can get admission in the top nits and iiits. You can check the previous year category wise opening and closing ranks of the various colleges by visiting the official website of the NTA.

You can also take help of our college predictor which has a very high accuracy of predicting the colleges best suited to your rank and course in which you want enrollment. The link is mentioned below:

https://engineering.careers360.com/jee-main-college-predictor?utm_source=qna&utm_medium=jee_cp

Hope this resolves your query.