Hi Om,

The best NITs for pursuing B.Tech from core branches are listed below:-

• National Institute of Technology, Tiruchirappalli
• National Institute of Technology Calicut
• Malaviya National Institute of Technology Jaipur
• National Institute of Technology, Kurukshetra
• Motilal Nehru National Institute of Technology Allahabad

NIT's offer only CSE and ECE courses they do not offer B.Tech in core branches like chemical engineering, civil engineering, electrical engineering, and mechanical engineering.

Refer here for more info - https://engineering.careers360.com/articles/best-engineering-branches-for-high-salary-in-india

To know your other best admission possibilities of Institutes & branches in JOSSA & State counseling as per your percentile, You can use JEE Main College Predictor tool given below

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

Feel free to ask doubts in the Comment Section.

I hope this information helps you.

Good Luck!