For peace and happiness at home To improve mars Success in competitive exams Moonga Ganesha is the idol of Ganapati made from red color stone known as Moonga. Red coral [moonga]- it is a hot gem. Red coral is used to improve mars. When a person is under the above circumstances, he should wear red coral as it will reduce rashness and anger in him. It reduces the effects of manglik dosh and will bring harmony between husband and wife. By wearing red coral one assures success in competitive exams and will have successful prosperous life.