The investigation was undertaken to study Professional development of Higher Education Teachers. This study examines university teachers and college teachers professional development (PD) on the basis of length of service. The 420 teachers participated in this study from  (University of Kashmir 120 and Govt. Recognized  Degree Colleges college  300). Random sampling technique was used with equal chance for every University and College teacher to get selected in the sample. For the purpose of present study, Professional Development Index Scale (PDIS) has been constructed by the investigator to measure the level of professional development of the subjects. Percentage, mean, standard deviation and t- test were used to analyze the data. While analyzing the  data significance of mean difference between University and college senior and junior teachers on various dimensions of Professional Development, the result depicts that both the groups turned to be significant on professional knowledge dimension. It means that university senior and college senior teachers possess better professional knowledge and professional ethics than their junior teachers. The results further reveal that university senior teachers are well versed with the subject matter and are more reflective in teaching learning process.