Your rank can be predicted by using the formula, (100-your total percentile)*869010/100. In your case, your approximate rank would be 159736 . Let's say the number of candidates for April exam increased to 12,00,000 then your final rank shall be (100 - your total score) X 12,00,000/100. You haven't mentioned your Category but please check the previous cut offs for MNIT, UP at our page https://engineering.careers360.com/articles/jee-main-cutoff-for-mnnit-allahabad . You may have to appear for April session if you want to qualify for  JEE Advanced. It is difficult to predict the JEE Advanced qualifying marks but 85 percentile and above should be an ideal score. Now to predict colleges, please use our college predictor: