The Indian Express UPSC Key for January 4, 2026, highlights significant topics for the Civil Services Exam. Key among these is the US capture of Venezuelan President Nicolas Maduro, with President Trump stating the US will temporarily run Venezuela and utilize its oil reserves. The article also touches upon the Buddha Piprahwa relics, the white-bellied heron, parliamentary privileges, and the Social Security Code, detailing their relevance for both preliminary and main examinations.