Great importance is given to Science & Tech, Social Welfare
Science & Tech: The UPSC CSE exam also gives great importance to India's achievements in Science and Technology sector. Questions are asked about current developments at ISRO, DRDO, amongst others.
Social Welfare: Social and Economic Welfare schemes such as Jan Dhan Yojana, Swachh Bharat Abhiyan, Namami Gange are of utmost importance for IAS aspirants as questions about these are often asked in the exam.
One must learn about all the major aspects of Indian Geography, to ace the UPSC exam. These include Indian river systems and their tributaries, Indian agriculture, mountain passes, climate patterns and industrial hubs. For preparation, NCERT and Atlas books should ideally be used.