Hi

Your profile suggest that your home state is AP

With  56 percentile

• Your rank will be  around 450120 - 506000    as per our rank predictor at

  JEE Main Rank Predictor 2021 - Predict your JEE Main ...

  JEE Main Rank Predictor - Know your expected IIT JEE Main 2021 Rank by ...

Your st rank will be around 13k

With this rank you have extremely low chance in NITs

For example,

Under other state quota , closing rank for some of the lower nits for which closing rank goes low are listed below along with their closing rank in the 6th round of josaa counselling 2020 for st category  :-

• NIT Mizoram ,civil engineering :-   2975 st rank

• Nit nagaland ,Electronics and Instrumentation Engineering :- 3086 st rank

• National Institute of Technology Agartala,    Biotechnology and Biochemical Engineering:- 3521 st rank

You can check the same at

https://josaa.nic.in/Result/Result/currentorcr.aspx

From above, it is clear that you need at least a rank of around 3500 st rank to get into an NIT . And to get a rank in this range, you need at atleast around 81 percentile

To have a personalised report on your chances of getting a college you can go through our college predictor, it will give you complete list of colleges which you can get on the basis of the category you belong to,  your home state, your gender etc, the link for  jee main college predictor is provided below

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

To improve your score in your remaining attempts of JEE main you should focus on your preparation go through previous year question papers ,mock test papers and to help you in your preparation we have jee main knockout out for you, for which link is provided below

https://learn.careers360.com/knockout-jee-main

Thankyou