This document discusses brain drain, which is when skilled individuals emigrate from their home country to other nations for higher wages or better opportunities. It outlines some of the main characteristics of brain drain, such as skilled professionals like engineers and doctors emigrating from developing to developed countries. It then discusses some of the major problems India faces due to brain drain, including a shortage of skilled labor in critical sectors and a decrease in national income. Finally, it examines some of the push factors that drive emigration, like under employment, and pull factors that attract skilled workers abroad, like better economic prospects and living standards.