Drainage 3

  5. **Lakes in India**

- **Importance of Lakes**: They help in regulating the flow of rivers, provide water for irrigation, and support aquatic life.

- **Types of Lakes**: Freshwater lakes (e.g., Wular Lake), saltwater lakes (e.g., Sambhar Lake), and man-made lakes (e.g., Gobind Sagar).

 6. **Role of Rivers in Economy**

- Rivers are crucial for agriculture, providing water for irrigation.

- They support fisheries and aquatic life.

- Hydroelectric power generation from river dams.

- Transportation and trade through river navigation.

7. **River Pollution and Conservation**

- Rivers are getting polluted due to industrial waste, agricultural runoff, and domestic sewage.

- Conservation measures include afforestation, pollution control laws, and cleaning river projects like the Ganga Action Plan.