 The investigation aims to study the physical, chemical, and morphological analysis of the optimal alkali-treated Poetis indica fiber, PIF, which is treated with 5% NaOH for 60 minutes, resulting in leaching of hemicellulose, lignin, and wax. XRD showed improvement in crystalline size and index, while AFM analysis revealed surface improvements after treatment. This article was authored by Emprithovirage and Amiralicanin.