B.Com

If you are from Mumbai, you may opt M.Com E commerce which is a mixed role of IT and commerce. you may initially work in accounts and finance for 2-3 years and then you may learn SAP FICO, once you complete SAP certification, you may get employment as a SAP consultant whose major role will be implementing and customising SAP for Finance module.
If you have studied mathematics at 10+2 level, you may go for MCA, but that may not help a lot in IT job unless you do it from a very reputed institute,
You can study abroad only if your degree is of 4 years duration. Otherwise, you have to study M.Com from here and you can apply.
Your question is very basic- What should I do? Rather, you should ask yourself- what is your passion, what you really want to do. There can be two theories such as passion and job to be kept separate and should go parallel or both should be combined. Well, it depends. if you have enough time and patience to wait very long, then you should pursue your passion. There is always difference between a passion, aptitude and like. I may like song a lot, even I may like to sing, but singing is not my passion so I am an extremely bad singer. Decide about it.
Id you are more focussed on getting job and money instantly, so the earning right now, you should focus on what you really like- accounting, BPO, selling, something else and start making your career in that particular field. You may take help of of a good counsellor and a person doing psychometric test such as career aptitude test. There is opportunity for everyone who wants to grab it.

Hello Nandkishor
Gaming is a highly exciting, youthful career. It needs lot of passion, patience and Creativity to become Game Designer. Ensure that you possess it. Gaming is still in its nascent stage in India. Till date there are very few appropriate programs available for Game Art Design.
You could also do a Animation and Digital Media program which covers all the aspects desired to become an avid designer for game contents. Such course not only prepares you for Gaming but also for Animation Studios, Production Houses, Web, Ad agencies, Home entertainment through TV, e-learning etc.
You may check desired profile on top few Game Co's like Sony, Microsoft, Disney Indiagames, Zynga, Veda Games, Gameloft, Kreeda etc. Digital Media and Animation related programs are offered by lot of Government Colleges and Autonomous Institutes & Universities.
While choosing any institute ensure that you are taught by Experienced & proficient Mentors. Also ensure adequate infrastructure, industry interface & validate placement track record of alumni's. Learning Software alone won't help you. First acquire artistic skills on paper, then learn application software's for expressing skills in the Digital Medium.
Kindly revert for any further queries, also if you liked this answer then rate it 'Best answer' or give a 'Thumbs Up' rating.
Sanjay Khimesara