Hello Sonal

58 percentile is a very low score ; means that nearly 4 lakhs students are better than you .

And you know that number of seats in nits and IIITs and GFTI are less than 20000 ; so it will be not possible to get admission in good nits .

You can go in some private college based on your 12 th boards or you should take drop and work next year.

Good luck