The present invention provides a novel fermented, health protective liquid herbal nutraceutical formulation(s) in dosage form as asava, from plant Tridax Procumbens (Family- Asteraceae) with a Single herb Approach" and process therefor. Further, the present invention provides an apparatus for production of herbal asava of Tridax Procumbens (Family- Asteraceae) with limited amount of self generated alcohol having long shelf life, non toxic nature and suitable for oral as well as topical applications, free of microbial and fungal contamination.