M.B.A. - Stands for Master of Business Administration. Typically, an MBA is a two year postgraduate degree, eligibility for which is an undergraduate degree in business management or business administration. Subjects usually studied under this degree are Basics of Management, Statistics, Quantitative Techniques, Financial & Cost Accounting, Managerial Economics, Organizational Behavior, Marketing Management, Financial Management, Human Resources Management, Marketing Research, Industrial Relations, Consumer Behaviour, International Business , Software Solutions for Business, Relationship Marketing, Corporate Finance etc.
BBM- Stands for Bachelor of Business Management. Typically, BBM course is a 3 year course, minimum eligibility for which is an intermediate (10+2) with subjects such as accounts, economics and business studies. BBM course imparts basic knowledge as well as an understanding of an organization's functions such as marketing, finance, systems, human resource management. Subjects studied under this degree are marketing, finance, human resources, accounts, economics and business law etc.
B.Com(Commerce)- Stands for Bachelor of Commerce. Typically, B.Com is a three year course, minimum eligibility for which is an intermediate (10+2) with subjects such as accounts, maths and economics. Commerce consists of a broad range of interdisciplinary branches such as Marketing, Finance, E-Commerce, Accountancy, Business Administration and Economics. Subjects typically studied under this degree are Accounts, Economics, Business Law and Maths etc.