Hello Shubhanshu

First you have to register for the counseling.

Than in the given time and date you have to fill your choices and preferences ; than  mock ( you can say demo ) allotment is done so that you are familiar and can change your preferences . 

After this you finalize your list and lock it.

Round one of counseling start with allotment of seat : here 2 case will arise 

1: you will get a seat. You have to pay fee and have to go for documents verification at the mentioned any college with all the documents mentioned in appendix. And then you can take part in further round ( no need to go again for verification if you get another college in further rounds only need to go in that college after all rounds over in which you finally get ).

2: you didnot get any college ; than you go in next round and further ( if you get college or allot any seat than same procedure ( as in case 1 ) will be followed ( like fee and verification).

And all this information you will get to know while you get indulge in it and all the information will be available in the main site .

Good luck 

Hello Subhanshu,

 Joint Seat Allocation Authority (JoSAA) will conduct JEE Main 2019 counselling and seat allotment for all the qualified and eligible candidates. To participate in counselling and seat allotment, candidates will have to register to JoSAA through online. JEE Main 2019 counselling and seat allotment process will start around the second week of June in online mode. The counselling and seat allotment of JEE Main 2019 will be based on candidate’s merit, preference of choices and availability of seats. During the JEE Main 2019 seat allotment, JoSAA will first allot the seats in two mock rounds. These mock rounds will help candidates to know the seats, they could be allotted on the basis of their choices filling in JEE Main. For more information, you can check out the link below. Good Luck!

https://engineering.careers360.com/articles/jee-main-counselling-seat-allotment

Hello subhanshu,

First of all when the josaa counselling starts then you have to register for it ,then you have choice filling where you have to fill your desired choices in preference .

Then josaa allocates you the seat based on your rank and choices filled then you have to report to the respective reporting center for document verification and seat confirmation.