 According to the Bureau of Indian Standards, on a scale ranging from in order of increasing susceptibility to earthquakes, the city lies inside seismic zone III; according to a United Nations Development Programme report, its wind and cyclone zone is "very high damage risk".Kalyani is a planned city, having underground drainage systems, tree-lined avenues, community parks, paved roads intersecting each other at 90-degree angle.The city itself is divided into four blocks — Block A, Block B, Block C and Block D, which are further divided into sub-blocks.