Hello Sunanda !!There are various public sector and government sector organizations hiring especially  the civil graduates and the government jobs after diploma are sectioned into state and central level government jobs,railway jobs,PSU jobs.So..for central jobs like CPWD,MES,survey of India etc..you can apply for these jobs through SSC,STO in DRDO,JE in state level exam.Railways -RRB recruits junior engineer through technical examinations they will conduct,and psu jobs like DMRC,RITES,DDA etc..also conducts their own examinations.So.. these are some good and technical jobs for civil graduates.Hope this would help you.All the bets for your bright future!!