Dear aspirant,

As you have mentioned that you have secured 29k rank in JEE mains 2021 and taking into consideration that you want to get into nits or IITs and you want to go for mechanical branch. I would suggest you in this rank try for nit Jamshedpur because its core branches is considered to be one of the best among nits or iiits .

For more information you can check out the link given below-

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