Every human being has to have some job wherefrom he/she not only earns his/her means of livelihood but also aims at deriving satisfaction by validating his/her abilities through job. Dissatisfaction of any need entails upon creating frustration – bred behaviour, which severely affect the job life of any employee by way of low level performance. This study has been conducted with a view to achieving the objectives, identify the factors involved in job satisfaction and dissatisfaction among non-government college librarians in West Bengal, India and to identify the motivating parameters involved in job satisfaction and dissatisfaction of them. It has found that librarians’ negative feelings i.e. dissatisfaction are more prominent than positive feeling i.e.satisfaction. This study has also measured performance of college librarians and found low-level performance is higher than high level of performance. The study has been concluded with the opinion that librarians motivation and job satisfaction depend upon broadly four factors: job enrichment, equitable rewards, quality for working life and supportive sub-ordinate and super-ordinate.