Our staple food crops like rice and wheat have very sensitive nature towards climate change. Climate change is among the major global issues of the 21st century. The high vulnerability of agriculture mainly staple crops to climate change is a biggest challenge to secure food in coming years. To feed the ever-growing population in our country, our farmers need to produce 50% more food grains by recent future. In this situation, tuber crops can substitute cereals owing to their higher dry matter production and heavy calorie yield. Tuber crops especially cassava is likely to outperform other crops amid rising temperature and could even become more productive offering farmers away to cope with climate change. These crops play a central role in food security in Africa, South America and Asian countries. Hence tuber crops are designated as food security cum climate resilient crops. Presently, tuber crops are either a staple or subsidiary food for about one-fifth of the world population. Because of its high photosynthetic efficiency and the subsequent synthesis of carbohydrate, tuber crops are rated as one of the richest source of energy besides being a treasure house which provides vitamins and minerals. The balanced diet for an adult should include 80 g of root and tubers daily. The diversity of tuber crops offers variety in the diet and contributes to household food and nutritional security.