Folk theatre is an effective medium of communication that has evolved in societies around the world. It utilizes traditional performing arts like folk music, dance, and theatre to convey messages and transform cultures. The document discusses several examples of folk theatre in India - Jatra in Bengal/Odisha, Yakshagana in Karnataka, Powada in Maharashtra, and Bhabai in Gujarat. These folk art forms communicate through storytelling, music, dance, and dialogue to educate audiences on social issues while preserving regional traditions over generations. Folk theatre has been used as a tool for development communication in India on topics such as family planning, literacy, and exposing social evils.