Shivam with your 179 marks in the JEE Advanced examination 2018 according to last year marks vs rank distribution you can expect an overall rank to be around 10,000 in the general category and 700-800 rank in the OBC category. Although this time in comparison to last year there hasn't been any fault in the question paper (last year 18 marks were given to every student) plus the difficulty of paper was a little high so the cut-off is expected to drop and you can get a little better rank with your score.

With the rank in this range, under the OBC category, you can definitely get some of the good branches in the old IITs and even top branches like computer science in new IITs.

To get a better and clear understanding you can go through the link given below which shows the cut-off rank of each category in each branch of each IIT:

• https://engineering.careers360.com/articles/jee-advanced-cutoff-for-iits

Feel free to ask if you have any more queries. All the best!!