Donating Blood; Aryan Invasion; Caste

Today Gurudeva answers a question about whether or not one should donate blood. Gurudeva explains that this will connect one person to another, which is good when done within a family, but may not be so good otherwise. Then Sati in Penang, Malaysia, gets two questions answered. First a short answer about the Aryan invasion theory, which is more and more being dismissed by historians and scholars, and Gurudeva's main discourse today is in response to the caste system.