Hello Sumit Padalkar,

It will depend upon the number of students appearing in April for JEE Advance.The cut-off will be announced in April for jee advance, so you have to wait till april to know the cutoff for JEE Advance.

You can calculate your rank by using the formulae given below -

Rank Formula = (100 - your total score) X 874469 /100. 

874469 are the number of candidates appeared for JEE mains 2019 January attempt.

All the best!

Thanku.