1. White-bellied Heron naturally inhabits the north-eastern region of India.

2. The bellied Heron is a bird which is mostly found in the low-altitude marshy areas of the Himalayas.

3. It is also called imperial heron in India.

4. In the year 2007, it was listed as 'Critically Endangered' in the Red List of the International Union for Conservation of Nature (IUCN).

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

1. The longest coastline in India is along the state of Gujarat. Its length is approximately 1,600 kilometres. This coastline borders the Arabian Sea and includes many beautiful beaches, islands and ports.

2. Gujarat's coastline is important for India's economy and culture. It is an important centre for tourism, fishing and trade. Several important ports are also located on the coastline, such as Mundra, Kandla and Porbandar.

A team of four Indian Army personnel successfully climbed Mt Everest without using oxygen cylinders.

All columns are correctly matched.

(A) Bauxite                -  Lohardaga

(B) Mica                    - Bhilwara

(C) Coal                     - Jharia

(D) Copper                - Jhunjhunu

1. According to the 2011 census, India's population was 1,210,193,422 (1.21 billion).