All 3 colleges are good for Engineering, below are the careers360 ranking of these 3 colleges:

DAIICT- AAAA
Nirma University - AAAA
LD College of Engineering, Ahmedabad - AAA+

( A : Lowest Rating  AAAAA : Highest Rating)

Based on Careers 360 ranking, DAIICT is the best in all 3 colleges.

You can decide based on student reviews also:

DAIICT Reviews
Nirma University Reviews
LD College of Engineering reviews


Good Luck.