Women's Christian College

It will vary with your choice of subject which you wish to pursue.
If you get above 85 percent, most probably, you will get the course of your choice.
However, courses like commerce will be a hard fought until you get a overwhelmingly top rank. But, I don't know the details of mark required for every course.

The fees for M.Sc food and nutrition is INR 45,260. Admissions are done on the basis of graduation percentage.

Please refer to the link provided below for details regarding a course in BBA from Women's Christian College. Important details like eligibility, admission process followed, fee structures and other details are mentioned at this link.
https://www.shiksha.com/bba/course/bachelor-of-business-administration-women-s-christian-college-college-road-chennai-37787

Please refer to the link provided below for details regarding a course in BBA from Women's Christian College. Important details like eligibility, admission process followed, fee structures and other details are mentioned at this link.
https://www.shiksha.com/bba/course/bachelor-of-business-administration-women-s-christian-college-college-road-chennai-37787

There is no cut-off specified by the college. You need to have passed 10+2 from a recognized board.

Basic eligibility to pursue M.Sc in Food and Nutrition from Women's Christian College is that Candidate must have completed B.Sc in Home Science, Nutrition and Dietetics with courses in Physiology, Food Science, Nutrition, Dietetics and Biochemistry from a recognized university. The admission is based on the marks obtained in graduation. Interested candidates can apply online with the required information.
Regards.

The college has got a very good rating, you may get admission here for B.Sc in Nutrition, Food Service Management, and Dietetics.

With commerce background, you would not be deemed eligible for B.Sc psychology. For B.Sc psychology, you need to have studied general mathematics/ biology/ zoology/ psychology/ sociology/ advanced English as the subject.