the ipu website is not showing forms for bba?
The application window is open as the last date to submit the GGSIPU CET BBA application form 2018 is May 1.
Link to apply is given below as you need to choose Engineering/Professional/PG Diploma as BBA comes under professional program.
https://bschool.careers360.com/articles/ggsipu-cet-bba-application-form
Good Luck!!!