Yes you can take admission in diploma of civil engineering according to its eligibility criteria you need to have minimum of 45% in10th boards and if you're 12th pass then you can take admission directly into 2nd year The duration of the course is of 3 years.
Some of the college that offers such courses are,

• Dr. B.R. Ambedkar Institute of Technology - Dr. B.R. Ambedkar Govt. Polytechnic
• Anurag Engineering College
• Al-Kabir Polytechnic
• AIT Polytechnic

You can get all the necessary information about the course on going though the link mentioned below.
https://targetstudy.com/courses/diploma-in-civil-engineering.html
Hope.it helps