 The study investigates the impact of Vichelia nylotica subsp. Indicatory trunk bark nanopowder on milkweed fiber reinforced polymer composites, MFPCs, prepared through compression molding, examining properties such as mechanical strength and water absorption behavior using DSC, TGA, XRD, FTIR, and SEM observation. Results show that the inclusion of V. Indicatory trunk nanopowder significantly affects MFPC properties and could serve as a potential nanofiller for polymer matrix composites. This article was authored by M. Ramesh, M. Tamil Selvon, L. Rajesh Kumar, and others.