Rangnath R Navalgund, after working for more than two decades at the Space Applications Centre (ISRO), Ahmedabad has moved over to the National Remote Sensing Agency, Department of Space, Hyderabad, as its Director since May 2001. Definition of Indian spaceborne remote sensing missions and formulation of remote sensing applications programme in the country are his areas of work..

In the first part we defined remote sensing, its physical basis and major applications. In this part we describe various types of sensors used in remote sensing and suitable observation platforms for placing sensors. We then discuss how to extract information from remote sense images. We conclude the article with a look at the future.

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Address for Correspondence
R R Navalgund 
Director 
National Remote Sensing Agency 
Department of Space 
Government of India 
Balanagar Hyderabad 500 037, India.
Email: rangnath@nrsa.gov.in