Dear Porkodi,
In order to apply for BITS HD you have to fill the application form which will be tentatively out in third week of March 2018.
Exam will be conducted tentatively on third week of May 2018.
To be eligible you should have qualified your B.E./B.Tech (or equivalent) course from a recognized university and you should have secured minimum of 60% aggregate marks.
To know in detail you can also refer below link
https://engineering.careers360.com/articles/bits-hd-admission-test
Good Luck!!
Application | Eligibility | Exam Pattern | Admit Card | Result | Counselling | Preparation Tips | Accepting Colleges
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile