AGRICULTURAL PRACTICES, STATUS and SOURCES OF FARM POWER IN INDIA , INTERNAL COMBUSTION ENGINES, ENGINE TERMINOLOGY ,VALVE TIMING DIAGRAM , ENGINE SYSTEMS , TRACTOR SYSTEMS and CONTROL , TILLAGE IMPLEMENTS , SOWING and PLANTING ,  EQUIPMENTMECHANIZATION IN PADDY CULTIVATION , IMPLEMENTS FOR INTERCULTURAL OPERATIONS ,PLANT PROTECTION EQUIPMENT, HARVESTING TOOLS AND EQUIPMENT , EQUIPMENT FOR CROP RESIDUE MANAGEMENT  , TOOLS FOR HORTICULTURAL CROPS ,COST OF OPERATION OF FARM MACHINERY , TRACTOR AND IMPLEMENT SELECTION FOR DIFFERENT AGRICULTURAL OPERATIONS ,  PACKAGE OF PRACTICES FOR DIFFERENT CROPS