What is the rank and colleges for 108 jee main marksin OBC CATEGORY,and 90% in cbse board?

Hi Shantanu, Keeping in mind this year JEE (Main) paper analysis and last year cut offs , and also including the weightage of your 10+2 marks you can expect a rank above 85000+ For the list of colleges, you can refer to shiksha college predictor https://www.shiksha.com/jee-mains-college-predicto

You will have a rank of about 50000-60000 .And you can surely forget about Govt colleges in Engineering .