Synopsis Dr. Mukerjee argues that man’s role and experience in the cosmos have varied from epoch to epoch. With this the meaning cosmos have varied from epoch to epoch. With this the meaning of human community has also been undergoing a change. The Atomic Age is fateful for its unprecedented advance on total extinction. Mutual jealousy, anger, hunger, hatred and conflict threaten the continuity of the human species. Man has to face three problems for his survival. First, he has to wage a struggle against his hereditary endowments of sexuality, rage and sensuality. Second, man has to fight against the excesses of high intelligence that have impeded the growth of universal love. Third, man is faced with the challenge of ideological dogmatism age should enlarge menis communication and communication with his cosmos. The philosophy of community envisions the process of evolution as the pattern of one cosmos and one community. It means a study of the creative role of man in community and cosmos. In man’s tragic mortal existence, his self and values are intimately united. Dr. Mukerjee feels that “human experience is community experience4. Human psychology is community psychology”. It is man’s interpersonal relation and his enlarging communion with fellowmen that transform his limited self with full community.