Government College of Engineering and Technology Jammu offers undergraduate courses in Engineering. However, these courses are Bachelor in Engineering and not Bachelor of Technology. The primary difference between BE and BTech is that the former focuses on the theoretical foundations of engineering students whereas the latter is an application-based degree.
GCET Jammu offers BE in Civil Engineering the duration of which is 4 years. The eligibility criteria to get admission to this program is
One of my friends recently completed the program and told me that the placement scenario is hopeless with an average package of around INR 2-3 LPA.
So, I will recommend you to go to a better institute.