Group discussions are a method used to assess students' personalities and suitability for jobs. They involve 8-12 members discussing a topic for 20-30 minutes. Good discussion skills include being knowledgeable, confident, listening to others, and expressing views logically while maintaining cordiality. Participants should make relevant, fact-based points and accept criticism politely without getting upset. Common topics discussed include issues related to society, politics, technology and India's development.