As you have asked about the important dates to apply for the B.Tech course in Jamia Millia Islamia University, I am giving you information about it, check below for the details

I want to tell you that the last date to apply for the B.Tech program has been passed away.
But I am giving you information for your reference

Important event
Date

Availability of online application form for B.Tech and B.Arch
10 Dec 2015

Last date to submit engineering and architecture application form
31 Jan 2016

Availability of online application form for other programmes
23 Mar 2016

Last date to submit other programmes application form
25 Apr 2016