Hello Aspirant,

Hope you are doing well, As you've mentioned that your jee mains sc rank is 6305.As you belong to Punjab, with this rank it's difficult to get cse seat in Nit Jalandhar, but yes you can get other branch seat based on your category. According to previous year data, here is the jee main cutoff(SC Category) of nit Jalandhar for different branches:

Bio-Technology      -     13935

Chemical Engineering  -   11861

Civil Engineering   -   9160

Computer Science and Engineering   -   3621

Electrical Engineering  -  6485

Electronics and Communication Engineering  -  5451

Mechanical Engineering  -  9085

Textile Technology  -   16543

Information Technology  -  5051

Instrumentation and Control Engineering  -   10416

Industrial and Production Engineering   -  14247

You can also use the JEE Main College predictor tool given below to know your chances of best admission possibilities through JOSSA & State level Government & private colleges.

https://engineering.careers360.com/jee-main-college-predictor?utm_source=qna&utm_medium=jee_cp

All the best!

Hope this helps you