Answer: Option [A]The correct answer is Himachal Pradesh. Nathpa Jhakri Dam on river Sutlej is the megal underground dam in Himachal Pradesh with 27.4 km long tunnel. It produces 1500 MW hydro-electricity.
Answer: Option [C]The correct answer is Ghaghara. Karnali or Ghaghara River is a perennial transboundary river originating on the Tibetan Plateau near Lake Mansarovar. It cuts through the Himalayas in Nepal and joins the Sarda River at Brahmaghat in India. Together they form the Ghaghra River, a major left bank tributary of the Ganges. With a length of 507 kilometres (315 mi) it is the largest river in Nepal.
Answer: Option [D]The correct answer is Odisha. Odisha tops the total reserves/ resources with 44% share followed by Karnataka (22%), Madhya Pradesh (12%), Maharashtra & Goa (7%) each, Andhra Pradesh (4%) and Jharkhand (2%).
Answer: Option [B]The correct answer is Bhutan. Tala Hydroelectric Project is a 1,020MW hydro power project. It is located on Wangchu river/basin in Chukha, Bhutan.
Answer: Option [D]India exports iron ore mainly to Japan. India has large reserves of iron ore while Japan is highly industrialised with big automobile industry which requires iron ore. So, India has been exporting iron to Japan since end of second world war. From eastern port of Vizag most of the iron is exported to Japan & other East Asian economies.