Models of OB can be explained in the following manner. Autocratic Model Custodian Model Supportive Model Collegial Model S-O-B-C Model System Model Autocratic model consists of 4Ps: – Power, Production, Profit, Punishment. The Custodian model is also known as paternalistic & benevolent approach. The Factories Act,1948 defined the worker rights & employer’s obligation towards him. So now legally it became obligatory for an employer to take care of his employees. Supportive model believes in Mc Greagor’s theory Y. In collegial model manager had to become a facilitator & aimed to foster a feeling of partnership with employees. They are not superiors, but coordinators. The SOBC model consists of Stimulus –incentive or motivation tool. Organism – acts as mediator & can be psychological or environmental Behavior – response to wards actions Consequence – can be +ve or –negative. System model is the most contemporary model which focuses on the overall structure of the organization and its environment.