Hey Uma,

First of all congratulations on your score in JoSAA 2019.Yes you are eligible for JoSAA counselling 2019.However you shall face tough competition from other candidates too.Before the counselling students need to register and fill their choices online.Students will experience a mock allotment round before fianl allotment rounds.The seat allotment will be of 6-7 rounds.The registration process will start tentatively from the second or third week of june.The mock allotment will help you to predict your colleges based upon the institute cutoffs,your percentile,rank and prefernces filled up. The mock allotment will be of two rounds after which you will be able to select your colleges for admission in the final rounds.

Check out this link https://engineering.careers360.com/articles/josaa

Regards!