I have completed my 12th in 2013, and 2 years i prepared for mbbs but unfortunate, i had maths also, now i dont knw what to do?

There are many more options available to you. You can take up Pure Science. That field has lot of scope if you have the talent. You can even try Engineering if you want. You passed 2013 means you used all you chances for JEE Main. Try preparing for exams like WBJEE while studying Pure Science. For P