We welcome you to the online portal of International Conference on Polymer Science and Technology ("SPSI-MACRO-2023"). The 17^th International Conference on Polymer Science and Technology ("SPSI-MACRO-2023") will be held from December 10-13, 2023 to promote the recent fundamental understanding and technological advancement in the area of polymer science and technology. SPSI-MACRO-2023 conference is the series of international conference are held in India in every two years by The Society for Polymer Science, India. The 17^th conference in this series (SPSI-MACRO-2023) will be hosted by Indian Institute of Technology Guwahati. The conference will host many distinguished academic personalities, industrial leaders and new entrepreneurs across the globe as speakers and participants. SPSI-MACRO-2023 will provide platform for many young researchers and students in India and abroad to learn the advancement in the field of polymer science and technology.