To achieve admission to Civil Engineering at class 12th post, you must have studied Physics, Chemistry, and Mathematics with at least a certain percentage (usually 50-60%). Then you must take entrance examinations such as JEE Main, JEE Advanced, or other state-level exams such as MHT CET. 

To get Civil Engineering admission, usually you need to do the following:

Eligibility: Ensure you have satisfied the eligibility conditions, which in most cases comprise having passed 12th class (or an equivalent class) with Physics, Chemistry, and Mathematics as primary subjects.

Entrance Exam: The m