Hi,
sorry you wont appear civil services exams without completing graduation.
The basic eligibility criteria Civil Services Examination are as follows:
Educational Qualification
The candidate must hold any degree in any discipline from any recognized university
Final year degree students are also eligible
Degree obtained by distance education/open university is also eligible if the university is a recognized university
Age limit
General 21-30 years
SC/ST 21-35 years
PH 21-40 years
Nationality should be Indian.