Hii

The applications for IP University were supposed to be released by mid february but have not been out yet. It is expected that the applications start shortly. You must keep a check on the official website for latest notices. 
SOme applications will have last date by the first week of april while others will end by the last week of april so keep a track of notices regularly.
You can also check details from following link - https://university.careers360.com/articles/ip-university-application-form

Thanks!