Maha Kanaka Sundara Rasa – Benefits, Usage, Indications and Dosage Reference: The Ayurvedic formulary of India- part 2, 1st edition, page no. 230. Maha Kanaka Sundara Rasa is used in the treatment of fever, diarrhea and stomach problems. Use of this medicine is good to improve the digestive fire. Ingredients Hingula (Purified cinnabar) Marica (Piper nigrum) Gandhak (Purified sulphur) Pippali (Piper longum) Tankana (Purified Borax) Vatsanabha (Purified Aconitum ferox) Kanka bija (Purified Dhattura metel) Juice of bhang – Marijuana (Cannabis