The Himalayan drainage system has evolved through a long geological history. It mainly includes the Ganga, the Indus and the Brahmaputra river basins. rivers of this system are perennial. These rivers pass through the giant gorges carved out by the erosional activity carried on simultaneously with the uplift of the Himalayas. The course of these

The flow of water through well-defined channels is known as drainage ‘and the network of such channels is called a drainage system. 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. A river drains the water collected from a

This article cleverly drills down into the nitty-gritty of the region and recognizes that there are two major island groups in the Bay of Bengal: 1) Andaman & Nicobar Islands and 2) The Lakshadweep Islands. The Bay of Bengal island groups consists of about 572 islands/islets. These are situated roughly between 6°N-14°N and 92°E -S4°E.

India is a country on the coastal plains on the south-western fringe of Asia. The Indian subcontinent lies on a thin slice of land between the Arabian Sea and the Bay of Bengal. On the basis of the location and active geomorphological processes, it can be broadly divided into two: fi) the western coastal plains: