नीलगिरि के पहाड़ी क्षेत्रों में मुख्य रूप से किसकी खेती व्यापक स्तर पर की जाती है?

In the context of the Indian agricultural system, which of the following cash crops is widely recognized by the moniker 'Golden Fibre' and is predominantly cultivated in the high rainfall states of West Bengal, Bihar, and Assam?

In the context of the Indian agricultural system, what is the specific dual utility of leguminous pulse crops such as Gram and Moong?