 It was he who was largely responsible for the design and dissemination of a massive communication program that brought awareness and knowledge of family planning to hundreds of millions of Indians.He began his work at a time (1966) when modern contraceptive methods were virtually unknown in rural India.His success in saturating the country with simple, attractive messages and designs (including the Red Triangle, which is now in use in several other countries) overcame age-old communication barriers and greatly increased public awareness of birth control."