1. The distance covered by the first train between Bombay and Thane in 1853 was approximately 34 km.

2. This train was pulled by three steam engines named Sahib, Sultan and Sindh. The train had 14 coaches and was carrying about 400 people.

The first Public Bicycle Sharing (PBS) system in India was launched in 2017 in Mysuru.

1. Indian black soil is commonly known as black cotton soil or "Regur".

2. Black soil is known as black cotton soil because cotton is an important crop which is grown in this type of soil.

3..Black soil is good for the production of cotton, oilseeds, wheat, linseed, millet and tobacco. This soil is rich in calcium carbonate, potash, lime but has low phosphorus content. Black soils can hold a lot of moisture.

4. It is mostly found in the peninsular plateau of India.

Oceans make up 97.3 per cent of the total water on Earth. The ice caps have 2 per cent of total water. Groundwater accounts for 0.68 per cent of total water. Rivers account for 0.0001 per cent of the total water.