<p>In many countries, palm jaggery is a widely used traditional sweetener. The adulteration has damaged its reputation and negatively impacted the livelihoods of those directly involved in its production. Beyond its traditional medicinal uses, adulterated jaggery can pose serious health risks. Among the available analytical techniques, Raman spectroscopy stands out as one of the most effective methods for detecting adulteration and verifying the authenticity of jaggery in the market. An attempt was made to use portable Raman spectroscopy to study the authentication of jaggery and the identification of the adulterant. Palm jaggery was bought on a laboratory scale as pure, adulterated with sugar at different concentrations. Thus, 3 samples of authentic palm jaggery (smoked, non-smoked, and dried) and 9 samples of adulterated palm jaggery were analyzed. The spectral peak at 636&#xa0;cm⁻¹ is the deforming vibration peak of C–C–O and C–C–C bonds, which indicates the presence of fructose. The peak at 846&#xa0;cm⁻¹ represents the strong deformation peak of C–C–C and C–C–O, which indicates the presence of sucrose with higher intensity. The peak at 398&#xa0;cm⁻¹ Raman shift indicates the strong stretching of the C–O bond, which represents the glucose. SNR values take the investigation of adulteration to the next level. The novel idea of the work was to identify palm jaggery adulteration using a portable Raman spectrometer (785&#xa0;nm).</p> Graphical Abstract <p></p>