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  2. Tala tank - Wikipedia

    en.wikipedia.org/wiki/Tala_tank

    To ensure uninterrupted water supply to the city, the Assistant Engineer of Calcutta Corporation (now Kolkata Municipal Corporation or KMC), Arthur Peirce, conceived what became Tala tank in 1901. [7] The Chief Engineer of KMC, W. B. MacCabe, designed the tank in 1902. Having a nine-million-gallon water reservoir overhead was a daring ...

  3. East Calcutta Wetlands - Wikipedia

    en.wikipedia.org/wiki/East_Calcutta_Wetlands

    Kolkata is an example of how natural wetlands are sometimes being utilised in developing countries. Using the purification capacity of wetlands, the Indian city of Kolkata has pioneered a system of sewage disposal. Originally built to house one million (10 lakh) people, Kolkata is now home to over 10 million (over 1 crore) people, with nearly ...

  4. Black Hole of Calcutta - Wikipedia

    en.wikipedia.org/wiki/Black_Hole_of_Calcutta

    The Black Hole of Calcutta was a dungeon in Fort William, Calcutta, measuring 14 by 18 feet (4.3 m × 5.5 m), in which troops of Siraj-ud-Daulah, the Nawab of Bengal, held British prisoners of war on the night of 20 June 1756.

  5. Kolkata - Wikipedia

    en.wikipedia.org/wiki/Kolkata

    Kolkata Metro is the rapid transit system of Kolkat. According to a 2013 survey conducted by the International Association of Public Transport, in terms of a public transport system, Kolkata ranks top among the six Indian cities surveyed. [190] [191] The Kolkata Metro, in operation since 1984, is the oldest underground mass transit system in ...

  6. Water supply and sanitation in India - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    Since 2002 the Government of India has rolled out at the national level a program to change the way in which water and sanitation services are supported rural areas. The program, called Swajaldhara, decentralises service delivery responsibility to rural local governments and user groups. Under the new approach communities are being consulted ...

  7. What is the ‘Rust Belt’ and which states are ... - AOL

    www.aol.com/rust-belt-states-included-region...

    Donald Trump took three 'rust belt' states that are part of the 'blue wall' in 2016. What states are they?

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