The choice of course depends on your own interests. But as far as the college is concerned, I recommend you go for PEC. It’s way better than NIT Jalandhar. Some advantages PEC enjoys over NIT Jalandhar are
Better placement and packages ( Highest CTC in PEC- INR 46 LPA whereas in NIT Jalandhar INR 43.5 LPA).
Better exposure through seminars
Location-wise PEC has better connectivity as NIT Jalandhar is situated on the outskirts.
If you are planning to prepare for GATE, then coaching and competition are better in Chandigarh than in Jalandhar.
So choose the course of your choice but go for PEC rather than NIT Jalandhar.