Answer:

1. China
2. China has the world's largest population (1.42 billion), followed by India (1.35 billion). The next five most populous nations – the UNITED States, Indonesia, Brazil, Pakistan and Nigeria – TOGETHER have fewer people than India
3. Asia
4. The northern frontiers of India are defined largely by the Himalayan mountain range, where the country borders China, Bhutan, and Nepal. Its western border with Pakistan lies in the Karakoram range, Punjab Plains, the Thar DESERT and the Rann of Kutch salt marshes.
5. Borders: Total land borders: 15,200 km (9,400 mi); Bangladesh: 4,096.70 km (2,545....
6. Region: South Asia; Indian subcontinent
7. Area: Ranked 7th
8. Andaman and Nicobar Islands
9. Andaman and Nicobar Islands, union territory, India, consisting of two groups of islands at the southeastern edge of the Bay of BENGAL.
10. It is 10–50 km (6.2–31.1 mi) wide with an average elevation of 1,500–2,000 m (4,900–6,600 ft).
11. Brahmaputra
12. After flowing through Tibet it enters India through Arunachal Pradesh and flows through Assam and Bangladesh before it joins Bay of Bengal. The catchments area of Brahmaputra in Tibet is 2, 93,000 Sq.
13. agriculture
14. The major occupation of the people of Northern plains is agriculture. Forestry,FISHING and water transportation are also important means of livelihood.