Hi there,

In JoSaa councelling,you can select as many colleges as you want. It is always preferable to select the maximum no. of colleges as this increases the probability of getting the seat in the college. So,select the maximum colleges and rearrange them in order of your preference.

You can use the following link to predict the colleges based on your rank:

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

Good Luck for future!!