Hi Ujjwal,

As per the previous year cutoffs, at 19129 rank, you can get CSE or ECE in these NIT's

CSE:-

• National Institute of Technology Arunachal Pradesh
• National Institute of Technology Sikkim
• National Institute of Technology Nagaland
• National Institute of Technology, Manipur
• National Institute of Technology, Mizoram

ECE:-

• National Institute of Technology, Uttarakhand
• National Institute of Technology Sikkim
• National Institute of Technology Meghalaya
• National Institute of Technology, Manipur
• National Institute of Technology, Srinagar

See, at this rank you can't expect a good NIT and fro IITs pls attempt JEE Advanced.

Refer here for more info - https://engineering.careers360.com/articles/nits-cutoff-for-b-tech-computer-science-and-engineering

Refer here for more info - https://engineering.careers360.com/articles/nits-cutoff-for-btech-electronics-communication-engineering#Previous-Years-NITs-Cutoff-for-BTech-Electronics--Communication-Engineering

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!