Hello,The Joint Seat Allocation Authority (JoSAA) will be the responsible authority to conduct JoSAA 2018. Registrations for JoSAA 2018 will be open tentatively from the second week of June 2018.

To get detailed information about JoSSA, you can refer to the link below-

https://engineering.careers360.com/articles/josaa

Hope this helps. Good Luck!