Proteins are important constituents of muscles, tissues and are structural and functional components of cells in our body. Proteins are complex molecules composed of different amino acids. The Proteins in our diet come from different plant and animal sources like milk, eggs, pulses, legumes, etc. Proteins are required for growth in infants and children and maintenance of tissues against wear and tear in adults . The requirement of proteins is more during the growth phase of children, pregnant women and individuals during infections and illnesses or stress.