BBA

DU colleges do not have entrance anymore. Admission is based on class 12 scores. But other colleges of JMI and IPU have entrance. Private colleges also have entrance.

Business is about having vision, taking decisions, being creative, solving problems, working with teams, making plans and executing those plans. It's also about helping people, businesses and organisations thrive. SO it is a good idea for Science stream students to pursue BBA. S P More College provides fast track career after 12th by Business education programs from a uniquely Global perspective. Please check this link -
http://spmorefoundation.com/program/business-management/bba-career-after-12th/

You may refer to a list of top BBA colleges in India: https://www.shiksha.com/bba/ranking/top-bba-colleges-in-india/93-2-0-0-0. You may filter location wise to get all details on BBA data for South Indian colleges.

There is no mandatory requirement to do SAP certifications. You may choose any of SAP functional consultant certification based on your BBA degree specializsation or interest: SD, MM, CRM, PP, FICO, etc