Yes dear the second allotment was announced on June 13,2019.And from today there will be joining and certificate verifcation of allotment done on 10th July.Commencement of Btech. classes will start from 15th July,2019.There will still be allotment if you are not alloted till now. Commencement Of Online Option Registration For Supplementary Online Allotments will be from 15th July.

You can check complete schedule here https://engineering.careers360.com/articles/cusat-cat-counselling-seat-allotment

Thanks.