Hello there...

You've not mentioned details like  (Your home state, whether you are talking about NIT Raipur or other colleges in Raipur ). So I'm answering your question considering you belong to  state  other than Raipur.

By seeing 2019  NIT Raipur cutoff  of mechanical engineering branch for EWS  category  ,It seems like not easy to get it in the first 5-6 rounds (This year only 6 rounds of Josaa ) with the rank in JEE Mains,  you mentioned in your question

You can look for other branches in the college or other NITs also you can go for spot  round.

I'll suggest you to please go through the links below to gather more information regarding all of these stuffs.

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

https://engineering.careers360.com/articles/jee-main-cutoff-for-top-nits

I hope it'll be helpful..

Thanks ...