Hello Sindhu
The final cutoffs for Qualifying the Mains exam will be released only after the April exam result.
However, to qualify for JEE-Advanced level, your %ile score should be maximum around 85+ %ile
As the marks range can't be predicted for Qualifying the Mains level. You can know your rank by the below given formula for the rank prediction:
(100 - your percentile score) * (874469/100)

Here, 874469 is the total number of students appeared in the January session.

You need to wait for now till the final cutoffs for Qualifying JEE Advanced are released.

Hope this helps.!
Good Luck.!

Hello, Greetings!!!

 It is obvious that The Cutoff percentile will be released once the JEE Main April Gets over therefore for Cutoff Percentile You have to wait for Now and the  Once The JEE Main April gets over You will get to know what is the exact cutoff to appear for the JEE Advance.

Hope This Helps All the Best.