Hello Vasanti !

Welcome to careers360!

When Jee mains results will be out in April then JEE Advanced registration Will begin .

After that When Jee advanced results will be out.Then Counselling dates will be announced immediately after results.

Counselling portal will open

Then You will get chance  to fill choices of colleges on basis of ranks. 

Here Fill very carefully beacause on this basis YOU will get your college.

When 1st round results will be out then You will have followung choices

There will be few options of Freeze and float where freeze means you want the same college alloted or you want to move to next round of counselling.

You will have to report to any college nearest to your home to report and to  get your document verified.

After that admission will take place at your respective alloted college.

Hope it helps.