Centers of origin, distribution of species, wild relatives in different cereals; pulses; oilseeds; fodder crops and cash crops; vegetable and horticultural crops. Plant genetic resources, its utilization and conservation; study of genetics of qualitative and quantitative characters. Major breeding objectives and procedures including conventional and modern innovative approaches for development of hybrids and varieties for yield, adaptability, stability, abiotic and biotic stress tolerance and quality (physical, chemical, nutritional). Hybrid seed production technology of rabi crops. Ideotype concept and climate resilient crop varieties for future.