Arunachal Pradesh, an abode of biodiversity and one among the 200 globally
important ecoregions in the world, is fortunately situated in the north-eastern part of India. With the Eastern Himalaya extending into its western part, the state harbours an elegant range of endangered

Senna (Cassia angustifolia) a native of Saudi Arabia is now cultivated extensively in Western Rajasthan. The main advantage of the crop is that it does not require the application of any fertilizers and it is not devoured by insects, animals or birds. Also the plant is eco-friendly as it can be used for developing wastelands and does not require frequent irrigation.