• The Siachen Glacier is a glacier located in the eastern Karakoram range in the Himalayas.

• Karakoram has the most glaciers excluding Polar Regions.

• The Siachen Glacier and The Biafo Glacier, which are world's 2nd and 3rd largest glaciers, are located in this range.

• Guru Shikhar is highest point of Aravalli Range with total elevation of 1722m.

• It a peak in the Arbuda Mountains of Rajasthan.

• It is named Guru-Shikhar or 'the peak of the guru' after Dattatreya, an incarnation of Vishnu.

• The Bhutan–India border is the international border separating Bhutan and India.

• The border is 699 km long, and adjoins the Indian states of Assam (267 km), Arunachal Pradesh (217 km), West Bengal (183 km), and Sikkim(32 km).

Argon is a non greenhouse gas.

• Major greenhouse gasses are- Water vapour, Carbon dioxide, Methane, Nitrous oxide, Ozone and Chlorofluorocarbons (CFCs)

• While some of the non green house gasses are- Argon, Nitrogen, and Oxygen.

• A greenhouse gas absorbs and emits radiant energy within thermal infrared range. They cause green house effect which is major cause of Temperature raising and climate change.

Nine Indian states have coastlines.

• These nine states are- Gujarat, Maharashtra, Goa, Karnataka, Kerala, Tamil Nadu, Andhra Pradesh, Odisha, and West Bengal.

• With a total length of coastline of 1214 kms Gujarat occupies maximum coastal length.

• Note that: None of the North East state is a coastal state.