Two favourable effects of the Himalayas on the economy of India are : 1. There are many hill stations which encourage tourism in India. It also provides attraction for adventure seekers such as hiking, climbing, river rafting and skiing. All this earn foreign exchange. 2. They give rise to fertile plains which are found by the rivers originating in l Himalayas. So most of people are engaged in agriculture. 3. The Himalayas are covered by thick forests which are the source of numerous raw material for various industries which effects the economy of India.