🔷 Introduction Economics is a social science that studies how individuals, institutions, and governments allocate scarce resources to satisfy unlimited human wants. It forms the foundation for understanding economic policies, development, and governance—making it highly relevant for UPSC. 🔷 Definition and Scope of Economics 📌 Definition Economics is commonly defined as the study of scarcity, choice, and resource allocation . 📌 Key Definitions: Adam Smith: Focus on wealth creation Alfred Marshall: Focus on human welfare Lionel Robbins: Economics as a science of scarcity and choice 👉 Modern view: Economics integrates efficiency, growth, and welfare . 📌 Scope of Economics 🔹 Microeconomics Individual units (consumer, firm) Demand, supply, pricing 🔹 Macroeconomics Economy as a whole National income, inflation, unemployment 👉 Also includes: Public finance International trade Development economics 🔷 Basic Concepts of Economics Scarcity:...
RRB Group D Recruitment 2026 – Apply Online for 22,195 Posts The RRB Group D Recruitment 2026 notification has brought a massive employment opportunity for candidates preparing for government jobs in the railway sector. The Railway Recruitment Board (RRB) has announced 22,195 vacancies under Group D posts across various railway zones in India. This recruitment drive is expected to attract lakhs of aspirants who are looking for a stable and prestigious career in Indian Railways. If you have completed your 10th class or ITI and are aiming for a central government job, this is a golden opportunity to secure your future. Overview of RRB Group D Recruitment 2026 Here is a quick overview of the recruitment details: Organization: Railway Recruitment Board (RRB) Post Name: Group D (Level 1 Posts) Total Vacancies: 22,195 Job Location: Across India Application Mode: Online Category: Central Government Job The recruitment will be conducted zone-wise, and can...