hi,

see first of all to become  a civil engineer you need to have the relevant degree, you can study diploma in civil engineering which is 3 years duration course, and can join diploma course after passing 10th or 12th course, or you can do btech in civil engineering, which is 4 years duration course, after completing degree you can join in construction or manufacturing companies which hires civil; engineers, also there is government and state wise recruitment comes for civil engineer post.