DASA offers admission in 4 rounds. It depends on the round you fall into.

The first round of seat allotment will be done on July 24. Candidates need to confirm their admission by 27th of June.

The second round of allotment will be held on June 30th. Candidates need to confirm their admission by 3rd of July.

The third round of allotment will be held on July 6th. Candidates need to confirm their admission by 9th of July.

The fourth round of allotment will be held on July 17th. Candidates need to confirm their admission by 20th of July.

I hope my answer helps you. For more details about the DASA, check the below link.
https://www.testprepkart.com/sat/blog-single.php?id=385/dasa-2018-19---Programs-Offered,-Eligibility,-Important-Dates-