Dear Vaishu, As you have 7 cgpa in your 10+2 that mean you have 70-72 per cent marks. The minimum criteria for Madras Christians college in Chennai, You should have 50% marks in 10+2 for BBA course. As per the marks you fulfill the criteria of college you can apply for this college but admission will happen on your 12th marks bases.

All the best

https://www.mcc.edu.in/index.php/83-news-and-events/406-admission-2019-2020