All the aroma terms (sour, fruity and yeasty) were found to differ significantly (P < 0.05) in the samples. The sour aroma was higher in the samples containing FOS than the control samples, and the synbiotic samples had a higher intensity of yeasty aroma as compared to the control samples and the samples containing FOS. The addition of the probiotic increased significantly (P < 0.05) the yeasty aroma in the symbiotic treatments as compared to the treatments containing FOS. When both the synbiotic drinks were compared to each other, it was found that the whole milk sample had significantly lower (P < 0.05) yeasty aroma. This might be because of the presence of fat in the whole milk samples,