Hii,There is not much hassle for withdrawing you admission application although you will have to go to admission dept, registration dept and they might ask you to come with some documents.

For further details you can contact admission help desk, link is here Admission Help Desk

For refund policy please go through this link http://www.jiit.ac.in/sites/defa... various % of fees deduction is carried out depending on the duration of withdrawal.

Hope,this information helpful for you.Goodluck.