The UPSC Civil services allow a definite number of attempts for IAS as explained below (IAS Attempts 2018 Civil Services Preliminary, Mains & Interview):
Note :—
IAS Syllabus, UPSC Exam Syllabus Prelims, Mains
Cut Off UPSC | IAS, IPS Civil Services Cut-Off Prelims, Mains Qualifying Marks
UPSC Question Papers 2017 Civil Services Preliminary Examination 2015 CS PDF Download
UPSC Question Papers 2017 Civil Services Main Examination 2015 CS PDF Download
Civil Services Preliminary Question Papers PDF Download (UPSC IAS )
UPSC Civil Services Eligibility Criteria