Hello Student

As for 2019 number of student appeared and filled up form of ISI entrance test was for UG 217, aur PG 411, for PHD 2016 number of students. The number of students for filled up form and appeared will be  in UG PG and PHD  will be round the number of the previous year as same.

To know your further queries you may click on the following https://engineering.careers360.com/articles/isi-admission-test

Hope this helps.