The maximum number of attempts allowed for general category candidates in the UPSC Civil Services Examination is six. This limit provides candidates with multiple opportunities to succeed while encouraging consistent efforts towards preparation. Different categories, such as OBC and SC/ST, have varied limits, providing some degree of flexibility. It's essential for candidates to strategically plan their attempts, optimizing preparation techniques while being aware of other eligibility criteria, ultimately maximizing their chances of success in securing a civil service position.