Hello student.

Hope you are doing well. First of all congratulations for getting 18k rank and you get admission in Haryana college with state quota (85%) and if you are of some other state you can get admission with All India quota (15%).

To check the suitable college for you, can check on this link :

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

This will help you find a suitable college for it or cse branch.

Hoping for a brighter future.

Good luck!!