The present research article examines the key determinants for Supplier Selection Process and its influence on enhancing Supply Chain Performance. The study reviews the findings in the context of supplier selection and focuses on e-procurement as a major driver in selection process. Three hundred (300) questionnaires were provided to the managers who are involved in procurement, supplier relationship and handling supply chain operations in Logistics companies in Delhi NCR Region. The received, completely filled in and valid questionnaires for the study are 120 which is 40% and the final sample size. After calculating the degree of correlation, reliability and validity is conducted. The eighteen (18) factors related to supplier selection process are grouped into Six (6) Clusters. Regression and Principal Component Analysis were conducted to explore the determinants which influence supply chain performance.