Chapter 1 – Population: Distribution, Density, Growth and Composition अध्याय 1 – जनसंख्या: वितरण, घनत्व, वृद्धि एवं संरचना Complete Bilingual Chapter Summary | संपूर्ण द्विभाषी अध्याय सारांश The chapter mainly explains where people live, how densely they live, how population changes, and the social-economic composition of India’s population . The document uses mainly Census 2011 data. 1. Population and Sources of Population Data जनसंख्या एवं जनसंख्या आँकड़ों के स्रोत English Population is an important component of a country. According to the document, India had a population of about 1,210 million in 2011 . Population data in India are mainly collected through the Census , conducted every ten years. First census attempt: 1872 – unsuccessful First complete census: 1881 Latest census referred to in the chapter: 2011 The 2021 Census was postponed because of COVID-19. हिन्दी जनसंख्या किसी भी देश का एक महत्वपूर्ण घटक है। दस्तावेज़ के अनुसार 2011 में भारत की जनसंख्या ...

The landforms formed by the erosion, transport and deposition by the river. The flowing water is called a river. River functions are considered to be the most extensive and important among exogenous processes. The river performs three functions:- 1. Erosion - Erosion of soil by river. 2. Transportation - Carrying away the soil cut by the river. 3. Deposition - To deposit or deposit eroded substances.   A. Erosional Landforms:-   1. V Shaped Valley - The River keeps deepening its bed in the mountainous part due to which a deep V shaped valley is formed. In this region, the horizontal erosion is less and the vertical erosion is more. Generally V shaped valleys develop in areas where rainfall is high and the rocks are not very hard.   2. Gorge:- A narrow and extremely deep valley is called a gorge. In high mountainous areas, when the river flows over resistant rocks, it cuts the bottom and deepens its valley due to high velocity, while the work of...