1. Mumbai's Victorian Gothic and Art Deco Ensemble has been declared a World Heritage Site by UNESCO in 2018.

2. United Nations Educational, Scientific and Cultural Organization, a specialized agency of the United Nations (UN). UNESCO is headquartered in Paris, France.

3. There are 38 World Heritage Sites in India.

1. The number of females per 1000 males in the population is called sex ratio.

2. According to the 2011 census, the sex ratio of India is 943. That means there are 943 women for every 1000 men.

1. Narmada River is the fifth largest river of India which flows through Madhya Pradesh and Gujarat.

2. The Narmada River (Rewa) serves as a traditional boundary between North and South India.

3. It originates from the Amarkantak peak of Maikal mountain and flows 1,312 km towards the west and joins the Gulf of Khambhat.

4. Major tributaries from the right side are Hiran, Tendori, Barna, Kolar, Maan, Uri, Hatni and Orsang.

5. Major left tributaries are- Berner, Banjar, Sher, Shakkar, Dudhi, Tawa, Ganjal, Chhota Tawa, Kundi, Goi and Karjan.

6. Narmada River Basin is home to fishes, turtles, crocodiles, beautiful birds and other wildlife.

7. The largest dam built on the Narmada River is "Sardar Sarovar Dam", which is built in Narmada district of Gujarat.

1. Narmada River is the fifth largest river of India which flows through Madhya Pradesh and Gujarat.

2. The Narmada River (Rewa) serves as a traditional boundary between North and South India.

3. It originates from the Amarkantak peak of Maikal mountain and flows 1,312 km towards the west and joins the Gulf of Khambhat.

4. Major tributaries from the right side are Hiran, Tendori, Barna, Kolar, Maan, Uri, Hatni and Orsang.

5. Major left tributaries are- Berner, Banjar, Sher, Shakkar, Dudhi, Tawa, Ganjal, Chhota Tawa, Kundi, Goi and Karjan.

6. Narmada River Basin is home to fishes, turtles, crocodiles, beautiful birds and other wildlife.

7. The largest dam built on the Narmada River is "Sardar Sarovar Dam", which is built in Narmada district of Gujarat.

Soil erosion is a serious environmental problem. Steps should be taken to curb this problem. Following are some ways to prevent soil erosion:

1. Plant trees on barren lands to prevent soil erosion.

2. Add mulch and rocks to trap plants and grass beneath to prevent soil erosion.

3. Mulch matting can be used to reduce erosion on slopes.

4. Place a series of fiber logs to prevent any water or soil from flowing away.

5. A wall at the base of a slope can help prevent soil erosion.

6. Every house should have proper drainage system so that water can flow into proper water collection systems.

7. Afforestation is the planting of trees on a large scale to check soil erosion. 

Soil erosion is a serious environmental problem. Steps should be taken to curb this problem. Following are some ways to prevent soil erosion:

1. Plant trees on barren lands to prevent soil erosion.

2. Add mulch and rocks to trap plants and grass beneath to prevent soil erosion.

3. Mulch matting can be used to reduce erosion on slopes.

4. Place a series of fiber logs to prevent any water or soil from flowing away.

5. A wall at the base of a slope can help prevent soil erosion.

6. Every house should have proper drainage system so that water can flow into proper water collection systems.

7. Afforestation is the planting of trees on a large scale to check soil erosion. 

Rabi season crops – Rabi crops are generally sown in the months of October and November and harvested from April to May.

Major crops of Rabi season – wheat, barley, gram, mustard, peas, berseem, rizka, green fodder, lentils, potato, rye, tobacco, lahi, oats, linseed and sunflower etc. Rabi season crops require low temperature at the time of sowing, hence they are sown in winter season. There should be a dry and warm environment for them to ripen.