If you are looking for a better college among the two, you need to compare it based on certain parameters like faculty, placements, reputation, campus, etc. Between CGC Landran and GE Ludhiana, GNE Ludhiana is the better one, based on these parameters. 

Oldest College: CGE Ludhiana is one of the oldest engineering colleges in the state. Being an old college, the college has its students placed in top MNCs across the globe. 

Faculties: The quality of faculty and teaching staff of GNE Ludhiana is better than CGC Landran. The exposure that you will get at GNE Ludhiana is way better than CGC Landran. 

Placements: Coming on the main point that is placements, the number of companies that visit the campus is more at CGC Landran. Considering the fact that the number of students at CGC Landran is more and therefore the number of placements are also high, this fact also equalizes. 

Considering all aspects, if you want to learn and grow holistically then you should opt for GNE Ludhiana.