Life, living matter are those that shows certain attributes that include responsiveness, growth, metabolism, energy transformation and reproduction. In biology origin of life or abiogenesis is the natural process by which life has arisen from non-living matter, such as simple organic compounds. It means the emergence of heritable and evolvable self-reproduction. It is a complex subject and oftentimes controversial. Several attempts have been made from time to time to explain the origin of life on earth. There are several theories which offer their own explanation on the possible mechanism of origin of life.