sir today is 3rd april but in du official site there is no any notice about fill Mca Entrance application form 2020. But you say application form date start from 2nd April. Can you provide link to go directly at application page.
Due to COVID 19 pandemic registration process for all undergraduate and postgraduate programs are on hold till further notified. Earlier,the registration process was to commence from 2nd April,but the officials will announce new dates regarding this matter at the official website of Delhi University at du.ac.in, so stay updated,you can also follow our page for latest updates at https://www.google.com/amp/s/university.careers360.com/articles/du-admission/amp
As today is april 3rd and today as give official announcement that filling of application form as due to some technical problems of that website i think it may not get opened so go to that website and list out the problem in the helpdesk and they may answer you as corona effect is also there as i think on the bases of that reasons also they may not get opened so wait until the official site is available so preparewell for the examinations as well ALL THE BEST for your future and i think my suggestions and knowledge may be helpful to u.