Sodium is a highly reactive element and is not found in its free state in nature due to its high reactivity. It readily reacts with other elements and compounds, forming various salts and minerals. Sodium is commonly found in the Earth's crust and in seawater as compounds, such as sodium chloride (table salt).

India was the first country in the world to have launched a National Programme for Family Planning in 1952.

1. Bollywood actress Waheeda Rehman's name has been selected for the 53rd Dadasaheb Phalke Award.

2. On this award, Information and Broadcasting Minister Anurag Thakur said - 'This year, actress Waheeda Rehman was selected for the Dadasaheb Phalke Lifetime Achievement Award'.

The Government of India Act, 1935 was based on the principle of federation and introduced a parliamentary system of government. It provided for the establishment of a federal structure for India, where powers were divided between the central (federal) government and provincial governments. It also introduced the concept of bicameralism at the federal level and established a parliamentary system, laying the foundation for India's governance until it gained independence in 1947.