To improve writing speed for UPSC, candidates can adopt several proactive approaches. Regular practice through timed writing exercises can build speed and fluency. Maintaining a clear and structured outline for responses minimizes writer's block and helps in organizing thoughts swiftly. Implementing short-hand techniques or abbreviations can also enhance writing speed. Additionally, familiarizing oneself with common UPSC topics allows candidates to anticipate questions and prepare quicker responses. Lastly, using tools like a timer to simulate exam conditions can aid in boosting writing efficiency under pressure.