Effective time allocation strategies during UPSC exam writing include creating a detailed time plan that allocates specific periods for each section of the paper. Prioritizing questions based on confidence and familiarity can ensure a solid start. It’s crucial to set time limits for each question to avoid spending too long on any single one, allowing comprehensive coverage. Practice through mock tests helps in refining these strategies, promoting familiarization with the pressure of the actual exam environment. Additionally, periodically checking the clock during the exam can help in sticking to the plan while maintaining pace.