Featuring the best of green in Chennai

Rain Centre, a hub for information on rainwater harvesting methods


Rain Centre spreads awareness and are involved in the construction of rainwater harvesting units in Chennai.

Product or concept

Akash Ganga Trust runs Rain Centre – hub for information on rain water harvesting methods.

Problem being solved

The organisation tackles low ground water levels in Chennai.

Process or technology involved

  • Rain Centre aids in construction, maintenance and inspection of rain water harvestings units in Chennai.
  • They conduct surveys/ audits on state of rainwater harvesting in Chennai City.

Sustainability benefits

  • Rainwater harvesting recharges the ground water table every year.
  • Helps in maintaining a level of required groundwater needed for residents use.

User segments that will benefit

  • Apartment Complexes
  • Residential Houses
  • Real Estate Developers

People or organizations involved

Co. Akash Ganga Trust, Rain Centre

Director: Sekar Raghavan

Innovations or USPs

  • One stop for all structural knowledge and implementation for different rainwater harvesting methods.
  • Costs of setting up the unit are inexpensive.
  • Simple and proven solution to water scarcity.
  • Maintenance required is only once every year.

Related engineering, science or business topics

  • Product development
  • Water conservation and management
  • Civil Engineering

Awards & recognitions

  • Sekar Raghavan received the Ashoka Award in 2002.
  • Due to his efforts in spreading knowledge about rainwater harvesting measures and compulsory state government’s rainwater harvesting scheme in 2002, ground water in Chennai rose by 20 feet.

Who can contribute or get involved?

  • Municipal Corporations
  • Residential Complexes
  • New House Owners
  • Real Estate Developers
  • Architecture Firms

Other interesting highlights

  • As part of its outreach efforts, the Rain Centre runs eco-tours for school students.
  • Late CM Jayalalitha inaugurated Rain Centre in 2001.
  • Partnership with CSE (Indian Centre for Science and Environment) helped open the Rain Centre in 2001.
  • Rain Centre has a permanent exhibition displaying different aspects of traditional and modern rainwater harvesting systems in India.
  • Visitors can learn about initiatives spearheaded in the city and in the coastal plains.
  • Extensive technical expertise since 2001.

Office located at:



Akash Ganga Trust, Rain Centre, Rain Water Harvesting, Chennai

WATER OF INDIA: Rainwater Harvesting Centre, Chennai

Rain water harvesting

Take a journey for this topic: Learn more, experience stuff, do something...

Know more about the people behind this

Chennai Water Crisis: 71-YO ‘Rain Man’ Helps Hundreds Recharge Their Groundwater! : Sekhar Raghavan is one of Chennai's pioneers in promoting rainwater harvesting methods and solutions in Chennai.

Make a visit to get a first-hand experience

Sekhar Raghavan : The centre is located in Adyar, Chennai.

Akash Ganga Trust Rain Centre : The organisation has been driving and building rainwater harvesting structures since 2001. They have training sessions and a depth of information related to the different rainwater harvesting structures that can be installed in different regions of Chennai.

Involve yourself/participate in activities

Purchase the product/solution

Connect with experts

Sekar Raghavan : Akash Ganga Trust has several training programs that help one understand a suitable solution for their respective homes/complexes.

Experiment through do-it-yourself projects

Preparing filter for rooftop rainwater harvesting at home in a simple way : The video explains the steps and materials used to make a filter for a rainwater harvesting system.

37 Awesome DIY Rainwater Harvesting Systems You Can Actually Build : The article provides details for assembling rainwater harvesting structures using containers of different sizes.

23 Awesome DIY Rainwater Harvesting Systems You Can Build at Home : The article contains quality visuals that helps one in setting up a rainwater harvesting structure.

Learn more

What’s Water Harvesting? : The article explains the principle behind rainwater harvesting and its necessity in urban environments.

12 Steps to Creating the Complete Rain Harvesting System : The video examines the different components present in a single rainwater harvesting system.

What are the Benefits and Advantages of Rainwater Harvesting? : The article details the major benefits of rainwater harvesting systems for an individual's everyday water consumption requirements.

Methods of Rainwater Harvesting - Components, Transport and Storage : The article specifies in detail the different components used in rainwater harvesting systems.

7 Great Techniques by Which You Can Easily Harvest Rainwater at Your Home This Monsoon : The article describes the different techniques one can implement at their residence to harvest rainwater.