The discovery of fire is one of the earliest and most significant achievements of man. However, it is a lethal power that has mostly stayed uncontrollable. Big fires occur practically daily and result in significant loss of life and property. The majority of the contents in the houses are flammable. Clothes, blankets, furniture, paper, synthetic polymeric materials, automobile and plane interiors, etc., all burn when the conditions are favorable. The addition of flame retardant to polymeric materials improves their flame retardancy and thermal stability. In this chapter, we will study the addition of micro clay/ nano clay to improve the flame retardancy of polymeric composites to make them feasible to be used in various potential applications.