Vital techniques for logical reasoning practiced in UPSC exams include understanding argument structures and identifying fallacies. Candidates should focus on practicing analytical reasoning and solving puzzles to enhance their critical thinking skills. Timing is also crucial; practicing under timed conditions can prepare candidates for the exam environment. Developing familiarity with various question types, such as syllogisms and blood relations, allows for quicker recognition of patterns. Regularly evaluating past year papers helps identify frequently tested logical reasoning concepts and adjusting study strategies accordingly.