The launch years of these significant wildlife conservation projects in India are: - a. Lion Project (Gir Lion Project): 1972 - b. Tiger Project: 1973 - c. Crocodile Breeding Project: 1975 - d. Rhino Conservation Project: While conservation efforts for rhinos were ongoing, a significant boost or initiative often referred to as a 'project' in this context coincides with the declaration of Kaziranga National Park in 1974, a major step for Indian Rhino conservation, fitting between Project Tiger and Crocodile Project. Arranging them in chronological order: 1972 (a), 1973 (b), 1974 (d - linked to Kaziranga NP declaration), 1975 (c).