1) The document discusses population explosion in India, noting that India has the second largest population in the world at over 1.3 billion people and is projected to surpass China's population by 2025.
2) It identifies several causes of population growth in India, including high birth rates, poverty, illiteracy, cultural norms that value children, and improved healthcare.
3) The document outlines some of the major issues caused by overpopulation in India, such as increased air and water pollution, food and resource scarcity, unemployment, and poverty.