Contents: Introduction, Development- Syncytium and Isolation, Cytoplasmic Reorganization, Physiological and Biochemical studies, Pollen Wall Morphogenesis, Post-tetrad Development, Polarity, Control of Exine Patterning, Role of Tapetum, Tapetal Membrane, Pollen-wall Proteins, Sterility- Cytoplasmic Male Sterility, Factors Involved in Male Sterility, Mechanism of Male Sterility, Environmental Factors, Induced Male Sterility, Viability and Storage- Tests for Viability, Storage, Germination- Germination Requirements, Release of Proteins, Pollen Tube Growth, Chemotropism, RNA and Protein Synthesis, Effect of Metabolic Inhibitors, Pollen Germination in Vivo, Pollen Recognition and Rejection, Concluding Remarks Terature Cited.