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CGWA NOC vs State Groundwater NOC: Which One Do You Need?

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Groundwater is an important source of water for industries, infrastructure projects, commercial establishments, mining activities, and other developments. However, extracting groundwater is subject to regulatory requirements, and the authority responsible for granting permission depends on the location and applicable groundwater regulations. One of the most common questions among project owners is whether they need a CGWA NOC or a state groundwater NOC . Although both permissions are related to groundwater extraction, they are not interchangeable. The correct approval depends mainly on the state or Union Territory where the project is located and the regulatory framework applicable there. The Central Ground Water Authority (CGWA) regulates groundwater extraction in several states and Union Territories, while certain states have their own groundwater authorities or designated departments for regulating groundwater withdrawal. What Is a CGWA NOC? A CGWA NOC is a No Objection Certificate ...
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1D vs 2D Flood Modeling: Key Differences, Applications and How to Choose

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Flooding is not simply about how much water enters an area. Understanding where the water travels, how quickly it moves, how deep it becomes, and which structures or locations may be affected is equally important. This is why modern flood studies rely on hydraulic and hydrological modelling to understand flood behaviour before it creates serious risks for people, property, infrastructure, and development projects. One of the most important decisions in a flood study is Choosing Between 1D and 2D Flood Modeling . The right approach depends on the river geometry, terrain, drainage pattern, project requirements, available data, and the level of detail required from the study. In some locations, 1D modelling provides an efficient and reliable solution, while complex floodplains and urban environments may require 2D modelling. What Is 1D Flood Modeling? One-dimensional flood modeling calculates water movement primarily along a defined flow path, such as a river, canal, drain, or channel. T...
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Bhuneer NOC: Everything You Need to Know Before Applying

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Groundwater is an important resource for industrial facilities, commercial establishments, infrastructure projects, institutions, and other developments where a reliable water supply is required. However, groundwater extraction is regulated to ensure that available resources are used responsibly and that excessive abstraction does not affect long-term availability. Before starting a project that involves groundwater extraction, it is important to understand whether regulatory approval is applicable, what information must be submitted, and which technical measures need to be implemented. A Bhuneer NOC forms an important part of this process for eligible projects regulated under the groundwater approval framework. What Is a Bhuneer NOC? A Bhuneer NOC is an approval associated with regulated groundwater abstraction. It provides a framework under which eligible project proponents can obtain permission for groundwater extraction while following specified conditions related to water usage, ...
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Flood Modelling: From Catchment Analysis to Risk Mapping

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Flooding is one of the major natural hazards that can affect residential areas, industrial developments, agricultural land, roads, drainage networks, and critical infrastructure. Rapid urbanisation, changing rainfall patterns, inadequate drainage capacity, and development in flood-prone areas can increase the potential impact of flood events.  For this reason, understanding how water behaves during heavy rainfall and extreme flow conditions is important for safer planning and infrastructure development. Flood Modelling provides a scientific approach to analysing water movement, identifying vulnerable locations, and supporting effective flood risk management. What Is Flood Modelling? Flood Modelling is a technical process used to simulate how rainfall, runoff, and water flow behave across a defined geographical area. It combines information such as rainfall data, topography, drainage characteristics, river or stream conditions, land use, soil properties, and catchment behaviour to ...
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