Exclusive for Subscribers from Monday to Friday: Have you ever thought why Caste, ‘Jana’, ‘Jati’ and Caste System in India are relevant to the UPSC Exam? What significance do topics like pro-life versus pro-choice dilemma, Index of Industrial Production, Ozone holes and Montreal Protocol have for both the preliminary and main exams? You can learn more by reading the Indian Express UPSC Key for October 13, 2023.