1. Ghaghra River is the largest tributary of the River Ganga.

2. It flows through Uttar Pradesh and Bihar. The origin area of the Ghaghra River is in the Himalayan Mountains of the Pithoragarh district of Uttarakhand.

3. Ghaghra River joins Ganga River in Gorakhpur district of Uttar Pradesh.

4. Sabarmati river flows in Gujarat.

5. Mahi river flows in Rajasthan and Gujarat.

6. The Bhima River flows in Maharashtra.

1. Kolleru Lake is one of the largest freshwater lakes in India located in the state of Andhra Pradesh, 15 km from Eluru city.

2. Kolleru is situated between Krishna and Godavari delta. Kolleru is spread over two districts – Krishna and West Godavari.

India’s area is 4 times larger than Pakistan. The Area of India is 32,87,269sq km and Pakistan’s area is 7,96,095

Bhimgarh Dam is located in Seoni district of Madhya Pradesh state of India.

It is built on the Bainganga River.

It is the largest earthen dam in Asia.

Construction of the dam began in 1972 and was completed in 1987–88.

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).

1. Hematite is an ore of iron. It is commonly found in stones and soil. The largest quantity of iron in the earth is found in the form of hematite.

2. The chemical formula of hematite is Fe2O3. It is a heavy and relatively hard oxide mineral.

  3. Its colour ranges from black to steel or silver-grey, grey to brown or reddish.

4. Hematite is used in the production of iron. It is an important mineral that is found in many countries around the world.