First of all decide in which sector you want to move.If you have plan for higher studies or now you want to start doing the job be clear about it .According go for it .You can go in the following field acturial science,engineering,operation research,industrial management,computer science,businees and life science .You can do post graduation in any of these.There are several college which can offer you these courses:

1.University of Delhi

2.University of kolkata

3.Institute of mathematical science.

Last but not the least i would suggest you to join any reputated college so that a good envireonment can motivate you and you will learn lots of things which you can't learn in an ordinary college.

All the best.