SOCIAL SCIENCE

LIFELINES OF NATIONAL ECONOMY Means of transport ®         Land- Roadways, Railways and Pipelines ®         Water- Inland and overseas ®         Air- Domestic and International Roadways             India has one of the largest road networks in the world, aggregating to about 2.3 million km at present.             In India, roadways have preceded railways. The growing importance of road transport vis-à-vis rail transport is rooted in the following reasons;             (a) construction cost is much lower than that of railway lines,             (b) roads can traverse comparatively more dissected and undulating topography.   ...

Manufacturing Industries ®         Processing of raw material into more valuable goods is manufacturing (Secondary Sector activity). Importance ®         Economic strength of country is measured by development of manufacturing sector. ®         Manufacturing industries help in modernising agriculture, which forms the backbone of our economy. ®         Reduce the heavy dependence of people on agricultural sector by providing them jobs in secondary. ®         Eradication of unemployment and poverty from country ®         Earn foreign exchange by export. ®         Minimize regional disparities by establishing industries in tribal and remote areas. ®         Manufacturing sector contribute 1...