Hello,Priyanka

The seat allocation of 4th round will be declared on 9th July,2019.

July 09, 2019     10:00    Display of seats filled / availability status

                          17:00    Seat Allocation (Round 4)

July 10, 2019 –July11,2019(2 days)       10:00 –17:00      Document Verification and Acceptance/withdrawalof Seat by reporting atReporting Centres(Round 4)

Hope this helps.

Hello Priyanka,
Josaa will release forth round results on 9th july, 2019 at 17:00. Josaa will release the results in the official website. Here is the link for the josaa official website.
https://josaa.nic.in/webinfocms/Public/home.aspx
If you have any other queries ask in comment section. Hope it helps for you.
Thank you.