is it better to do production engineerig from nit jalandhar and what it's scope

There are a lot of options as mentioned below :

1)Almost all automobile Companies : One of the best place to work for PE

2)Some PSU companies even hire specially for PE, like Vizag Steel. But seats are very less.

3)Some PSU Companies hire as a mechanical engg either through GATE-Mechanical or their own written exam like SAIL, GAIL, BHEL, NTPC etc..

4)Other option is to do M-Tech through GATE : Production Engg as chances are fair to score a good rank even below 50 & get into a good colleges like IIT-B, IIT-D etc. From these colleges, you may get a chance to work with some reputed automobile companies like General Motors and that too in their R&D wing.

5)Other option is doing MBA, as we already go through a lot of management papers in B-Tech, it makes it easier.