11 class Geography - ll Notes In Hindi Chapter 3 Drainage system अध्याय - 3 अपवाह तंत्र 

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11 class Geography - ll Notes In Hindi Chapter 3 Drainage system अध्याय - 3 अपवाह तंत्र 


CBSE Revision Notes for CBSE Class 11 Geography Drainage System Drainage System. The flow of water through well-defined channels is known as ‘drainage’ The network of such channels is called a ‘drainage system’. The drainage pattern of an area is the outcome of the geological time period, nature and structure of rocks, topography, slope, amount of water flowing and the periodicity of the flow.


Class 11 Geography - ll chapter 3 Drainage system Notes in Hindi 


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