Dear aspirant,

         Firstly, you have choosen a very good colleges. Apart from that, these colleges are well-developed and hence they will have higher competition. 

In order to get admission in BBA, Delhi University, you should appear for and entrance exam called JAT( Joint admission test) conducted officially by DU normally in the month of June. You can get seat in the courses like BBA, BMS, BBE through this examination. You should have 60% in class 12 and also you should be from English and Maths background.

To get an admission in Christ university, Bangalore, you have to appear for CET entrance examination which is conducted by Christ university in the month of April. BBA and BBM are the two courses wherw you can get admission through this exam. Eligibility is you should have at least 50% in class 12th. Also, English background is mandatory.

Hope your query is solved !!

Good luck ahead !!