Its good to hear that you are working. This work experience will help you get a feel of the industry and understand the intricacies of hoe it functions.
While you are working be open to all kinds of exposures so that it helps you know your strengths and development areas which will help you select a specialization in your MBA.
There are various options that you can look at while considering MBA like, part-time MBA,full time regular MBA,evening courses etc.
MBA has various specializations too like HR, Resource,Operations, Marketing, Finance, Supply chain,IT etc. FOr more information on each of these log on to http://www.youngbuzz.com/careers/career-options
ANd for the list of colleges offering MBA you can log on to http://www.youngbuzz.com/colleges-guide