Are you asking for JEE Main Paper II? If yes then a total No. of 1,45,386 candidates had appeared for January Session for JEE Main Paper II, You can calculate the rank by using the formula.
Formula- (100-your score)* 1,45,386 / 100
In case you have any other query then let me know.
Good Luck!
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile