Solution:
Area of India is 3.28 million sq.km which includes Pakistan occupied Kashmir (POK) and Aksai Chin under illegal occupation of China.

Solution:
A pass is a location in a range of mountains of a geological formation that is lower than the surrounding peaks. It acts as a natural path through the mountains.

Solution:
Economically exploitable gypsum occurs in Rajasthan. Gypsum is formed by the hydration of anhydrite.

Solution:
In the Andaman Islands lives the Onge. The Onge call themselves En-iregale, which means 'perfect person.' They have long lived on Little Andaman Island, the most southerly island in the Andaman archipelago.

Solution:
Bhutan is surrounded by Assam, Arunachal Pradesh, West Bengal and Sikkim. Bhutan is located on the southern slopes of the eastern Himalayas, landlocked between the Tibet autonomous region to the north and the Indian states of Sikkim, West Bengal, Assam, and Arunachal Pradesh to the west and south.

Solution:
Gujarat do not lie entirely in the Tropical Zone of the Earth. The tropics are the region of the Earth near to the equator and between the Tropic of Cancer in the northern hemisphere and the Tropic of Capricorn in the southern hemisphere. This region is also referred to as the tropical zone and the torrid zone.

Solution:
If India adopts two time zones based on 75°E meridian for western India and 90°E meridian for eastern India, Assam of eastern India will be benefitted most. Places located on the eastern side of India like Assam witness sunrise as early as 4.30 am due to single time zone. Sun rises very early in these eastern parts of India. Normally, there is a lag of about two hours in the sunrise of eastern part & the western part of India. In summer times, the sun rises 90 minutes earlier in the eastern part of India than the western part of India. Due to earlier sun rise & earlier sunset, these eastern states loose productivity because of the decrease in the office hours.