HYV refers to seeds that produce significantly more yield under optimal conditions compared to traditional varieties. MSP is the price at which the government purchases crops from farmers to protect them from price fluctuations. PDS is a system to distribute subsidized food and non-food items to India's poor. IPM is an ecological approach to pest control that includes biological, cultural, physical, and chemical methods to manage pests in a way that minimizes economic, health, and environmental risks.