AIRTECH PRIVATE LIMITED

20/7, Site 4, Sahibabad Industrial Area,
Ghaziabad (U. P.) INDIA

PHONES: 868181, 869052, 693951
GRAMS: 'AIRSUPPLY' New Delhi

One of the World's

Largest
Waste Water
Recovery
Plants

OR

Water Reclamation Systems for Skyscrapers

OR

Desalination Plants for Sea/Brackish Water

OR

Treatment Plants for Hazardous Wastes

Hindustan Dorr-Oliver has every conceivable engineering
skill, vision, experience and capability to harness state-of-
the-art technologies around the world to serve a diverse
range of industries such as petrochemical, chemical and
fertilizer industry, sugar and starch industry, pulp and paper
industry and above all environmental engineering.
By engineering one of the world's largest waste water
recovery plants for Madras Refineries by Reverse Osmosis process
HDO takes a step ahead.

DORR-OLIVER><

HINDUSTAN DORR-OLIVER LIMITED
Dorr-Oliver House, Chakala, Andheri (Eeast), Bombay 400 099
Tel: 832 5541 Tix: 011 79021 ● Fax 91 22 836 5659

Concept/HDO/010

41ST ANNUAL NUMBER

Civic Affairs

(Monthly Journal of City Government in India)

Editor: S. P. Mehra, Managing Editor: Suresh Mehra, Printer & Publishers I

P. C. Kapoor, Printed at the Citizen Press, Bhargava Estate, The Mall,

Kanpur-208 001: Annual Subscription: Rs. 60/- (In India), Rs. 196/- (Foreign).