Hello aspirant,

Diploma in Civil Engineering is a 3-year long course in engineering, specializing in the design, construction, and maintenance of physical and naturally-built environment, such as roads, bridges, canals, dams and buildings

You can visit the following link to get a list of all the colleges offering Diploma in Civil Engineering. There all the colleges are ranked by the Careers360 Team on the basis of various factors. The ranking is given in front of every college which you can consider while reviewing colleges.

https://engineering.careers360.com/colleges/list-of-diploma-in-civil-engineering-colleges-in-india

I hope it helps.