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In this report, Proton induced X-ray emission (PIXE) analysis of various elements, functional groups and morphological study on a naturally occurring polymeric fiber are presented. The common name of Ichnocarpus frutescens (IF) in odisha is SUAN NAI and black creeper in English. It is available in India, China, Asia and Australia. It is considered as an important medicinal and fiber plant that belongs to the family of Apocyanaceae. The medicinally important various metal and non-metal elements of the IF stem is investigated using PIXE technique. The result shows that the stem contains multi elements like Si, S, P, Cl, K, Ca, Ti, V, Mn, Fe, Cu and Zn as shown in fig.1, each having different medicinal properties and generally nontoxic in nature. The findings shows that stem of IF can be used for the treatments of various diseases such as cholera, cough, fever, skin trouble, jaundice, measles and headaches, loss of sensation, demulcent, syphilis and purification of bloods. IF fiber is a natural fiber that was extracted from stem by sinking the stem in 4% NaOH solution for a week. So far as our knowledge is concerned, there is no report of PIXE, FTIR, and SEM on fibers of IF plants. Therefore, the study is important, encouraging and confirming the possibilities of IF as an ayurvedic plant for treatment of various diseases because of the presence of various pharmaceutical complexes. These complexes are condensed system of various elements present in the IF stem. FTIR analysis of IF fiber shows that the presence of alcohol, carbonyl, hydrocarbons and halogen groups. It was observed that there is no absorption band around 2260-2200cm-1. This shows that there is no cyanide group (CN) present in the fiber as a result of which it is nontoxic in nature. Morphological analysis, fiber uniformity 2-phase structure of the plant fiber was analyzed using SEM technique. [ABSTRACT FROM AUTHOR]