According to World Book Dictionary the term "infrastructure" denotes the essential elements forming the basis of a system or a structure. Infrastructure covers the resources, which strengthen the basis of the economy of a country.
Better infrastructural services including transportation (railways, roads, ports, civil aviation), communication (telecommunication and post); and electricity transmission and distribution boost the growth of a nation.
Infrastructural resources always becomes key elements during preparation of a plan for area development. Quality infrastructure, covering the services of transportation, electricity transmission and distribution, communication, water supply and sanitation, and solid waste management is one of the most important necessities for unleashing high and sustained growth and alleviating poverty, particularly in the backward state.
It works as a nerves of the economy of a country. By providing these infrastructural services an undeveloped or underdeveloped area can be developed. An area planner always keep in mind appropriateness and balance between different services of infrastructure in an area.