The invention provides a novel herbal formulation used to improve the memory and in treatment of senile and presenile dementia as a brain tonic. Formulation(s) comprises of alcoholic extract of Tinospora cordifolia, Centella asiatica, Withania somnifera, Mucuna pruriens and Curcuma longa. The formulation can be used as an emulsion or as a soft gelatin capsule for oral dosage forms.