Techniques for elucidating answers in UPSC written exams include using a clear structure, such as Introduction, Body, and Conclusion. Starting with a strong thesis or stance captures attention, while supporting arguments should be backed by relevant facts and examples. Bullet points and headings can aid clarity, making concepts easily digestible for examiners. Additionally, incorporating anecdotes or case studies adds depth. Finally, practicing writing under timed conditions can improve fluency and help develop a concise yet comprehensive writing style.