Candidates appearing for the UPSC Civil Services Examination are typically allowed a maximum of six attempts. However, the number of attempts varies based on the candidate's category; for example, Scheduled Caste and Scheduled Tribe candidates are allowed up to nine attempts, while other backward classes can avail seven attempts. Additionally, candidates must adhere to age limits and educational qualifications to avail of these attempts. Knowing these constraints is crucial for aspirants to plan their preparation strategies effectively and manage their timelines regarding the examination.