Survey of India’s Topographical Sheets
Survey of India’s Topographical Sheets East India Company established Survey of India in 1767 for mapping, survey and exploration of resources in India. It publishes the topographical sheets in two series i.e. open series maps and defense series maps. Open Series Maps Survey of India prepares these sheets on 1:250000, 1:50000 and 1:25000 scale as … Read more