Suitability of coconut shell which is good for the replacement of aggregate. Coconut Shell as a waste product, but now a days they are used in the construction industry as a greener material. The waste material which are used effectively in the useful things called as greener material. By using the waste material used in the construction industry many problems are solved such as, land filling problem, reduce environment pollution, economical for the customers etc. Density of the coconut shell as lower as compared to the normal aggregate, it is helpful for light weight concrete, easily available in nature, promising compressive strength (up to certain limit) for the lower to average grade of concrete.