for choice filling we should go through nirf rankings or opening and closing rank according to last year
Hello,
You can fill choices based on the rankings , and all other crietrias like faculty, facility, accessibility, placements ,etc
Also you have to include collegees that you have chances to get .Inorder to get an idea about that you must refer to the previous year closing ranks.
The choices must start according to the best ones , also including the ones you have chances.
Comment your queries.
All the best!