The Nobel Prize in Physics of 2014 was jointly awarded to Akasaki, Amano and Nakamura for the invention of Blue LEDs in 1990s. How has this invention impacted the everyday life of human beings?

What do you understand by ‘Standard Positioning Systems’ and ‘Protection Positioning Systems’ in the GPS era? Discuss the advantages India perceives from its ambitious IRNSS programme employing just seven satellites.

Explain the difference between computing methodology of India’s Gross Domestic Product (GDP) before the year 2015 and after the year 2015.

“Investment in infrastructure is essential for more rapid and inclusive economic growth.” Discuss in the light of India’s experience.

Do you agree that the Indian economy has recently experienced V-shaped recovery? Give reasons in support of your answer.

Distinguish between Capital Budget and Revenue Budget. Explain the components of both these Budgets.

How and to what extent would micro-irrigation help in solving India’s water crisis?

What are the present challenges before crop diversification? How do emerging technologies provide an opportunity for crop diversification?