You can look for options in the second round counseling as rank of 18000 would be equal to a score between 50-59. This is an average rank/score in the exam. Look for other options too and apply to different colleges so that you do not miss your admissions.
My CML rank is 1794 in polytechnic entrance exam... Will I get mechanical branch in GP RANCHI?
What if i forgot to lock my choice?