Dear aspirant,

There is a lot of things you can do. First of all you have to see in which field does your interest and you have chase that accordingly.

For example, like you are good in mathematics , so you can go for masters in maths and jam entrance to get yourself admitted in one of premier institutes like iit/nits. But if you want to go for like english then you can also choose masters in that. If you like research field then you can also give gate examination.