This poster printed by Imperial Calendar Co. P. Ltd., Calcutta. It highlights the importance of primary health centers for mother and child health. A female healthcare worker is administering an injection while the mother looks on reassuringly. A red triangle, a common symbol for health and family planning services in India, is featured prominently. The inverted red triangle, representing family planning, originated from India's National Family Planning Program, which was launched in 1952, making India the first country in the world to introduce an official family planning policy. The symbol was adopted in the 1960s to create a simple, recognizable, and universal emblem for family planning services. Today, the inverted triangle remains a powerful and enduring symbol of population control, reproductive rights, and public health initiatives worldwide.