Hey Prashanna, 

GISMA is a business school which was started in the year 1999 in Germany. It offers a number of undergraduate and postgraduate courses.The course fees can be paid by instalments and GISMA also offers scholarship and loans.Regarding qualifications you need to have a strong english accent.Also a score more than  6.5 in International English Language Test System(IELTS) is required followed by a score of more than 63 is required in Person Test of English(PTE).Also Bachelors degree is required from a recognized institution.The application process is conducted through the online mode. Hope this helps you. 

You can always go and have a check on the official sites. 

Thank you.