Science

Firstly, I hope you are not at your wits end over scoring low because there are a * lot of options that you can pursue and I ll just be listing out how I would have gone about such a situation (stepwise):At the very beginning you need to self introspect and determine the following:Have you done well consistently and only messed up standard 12 Boards orHave you been academically weak throughout and your interest lies in some other field (or you passionately want to pursue something other than conventional academics).
2. In case you've decide upon the former, then yet again go into the self introspection mode and determine what is it that you want to pursue as your career (sustainably long term). If its a professional degree like Engineering or Medicine then take a year or two off (in case you don't do well in entrances (which are in no way related to your 12th standard Marks). Try getting into a reputed college and yes once you get in, work hard like there's no tomorrow and that will any day compensate for your 12th standard marks. But if its commerce or arts that you want to pursue then I ll be honest that a very good college is out of reach because undergrad colleges heavily consider your Board marks. But don't lose hope.