hi,

MBA stands for master of business administration, the course is consist of relevant subjects related with management and operational ethics in business, there is many stream  in mba course like

mba in finance

mba in human resource,

mba in operation management

mba in agribusiness management

mba is generally a 2 year duration post graduate course if you want to study mba in full time, for part time mba, which is famous among the professionals who are currently working in some organization may opt for 3 years mba part time course. there is 1 year mba executive course is  available for professionals who has around 5-10 years of work experience, the eligibility for number of work experience may differ college to college.

IIM stands for indian institute of management. right now there is 20 iim in india, iims are best among other b schools in india which offer mba course, for mba 2 years full time course in iims you need to appear in CAT exam, based on cat score candidates are shortlisted for personal interview and gd round in iims, based on pi and gd score final admission is done.

hope it would help.