I want to complete my uncompleted Diploma in civil engineering.

Hi. Diploma in Civil Engineering eligibility is students have to qualify 10th class with a minimum of 50% marks from a recognised institute. Diploma in Civil Engineering admission process is to clear entrance exams taken by colleges to enroll students. The entrance exams are Delhi CET, Andhra Prades

Very good. You can complete your remaining Diploma course for much better options of employment and higher study like B.E. / B.Tech. Please ask to your college regarding this.