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This paper presents the analysis of authorship pattern and collaborative measures of 5318 research publications of Anna University and indexed in Web of Science (WoS) database during the period of 2014. 2018. The analysis indicates that multi authored papers are dominated in the dataset and the average author per paper is 4.01. The collaborative measures consist of collaborative index, degree of collaboration, collaborative coefficient and moderate coefficient. Overall value of collaborative index (4.06), degree of collaboration (0.99), collaborative coefficient (0.67) and there is no change in the value of moderate coefficient. The distribution of author productivity of the research publications follows the Lotka's law.