This study assesses the moderating effect of Firm size on the relationship between Environmental collaboration and organizational performance metrics. The impact of Strategic sourcing components on the Organizational performance metrics of the purchasing department executives of Textile firms in Hyderabad, Telangana state was also tested. Through the questionnaire, the primary data were collected from purchasing department executives of Textile firms in Hyderabad, Telangana state. Five hundred forty-nine acceptable responses were received eight weeks after the questionnaire was first distributed. After editing and removing outliers, 537 participants' replies were chosen from the obtained data. As a result, 537 responses are legitimate, or around 38% of the selected sample size.

The data collected from various sources have been classified and tabulated using appropriate statistical tools. The statistical techniques used for the study are Reliability Analysis, Descriptive Statistics, Independent sample t-test, One-way ANOVA, and relationship model using SEM. The study has listed Five Research Objectives by testing four main Hypotheses. The study's results suggest that, Environmental collaboration acts as a partial mediator in all the relationships between Strategic sourcing components and the Organizational performance metrics of Textile firms.