Pravek Kalp Herbal Products Pvt. Ltd. Manufactures Brain and Nervine Tonic. Pravek Kalp Herbal Products Pvt. Ltd. Manufactures various items using natural and herbal ingredients that relieve the stress without causing any side effect like Ayurvedic Medicines, Ayurvedic Chyawanprash, Herbal Oil, Herbal Tea, Herbal Cosmetics, and Other Ayurvedic Products. The company manufactures Chyawanprash in granular form. The Brain and Nervine Tonic comes under the brand name "Maha Sugandhit Tel" enhances Neuromuscular Strength and Longevity. The Brain and Nervine Tonic has excellent invigorant, increases blood circulation and gives nourishment. The Brain and Nervine Tonic helps in curing common skin diseases.