Nowadays, there is an augmented concern for the development of not only well-designed but also fully sustainable materials. The extraction of renewable resources and disposal processes that would not harm our eco-system is associated with material sustainability. In this respect, biodegradable polymers and natural fibers are suitable alternatives to many non-degradable composites which one lightweight. Many researchers are trying to fabricate composites by adding these two through various means and characterizing their mechanical properties to find the suitability of these for different applications. The present article reviews the literature on the fabrication of polylactide composite reinforced with natural fibers, both of which are biodegradable fully; further, the article reviews the methods used by the researcher for characterizing mechanical properties of these composites.