The map of India on page 185 shows the twelve cities
visited by the researcher during the field study of 1990.
They ranged from New Delhi in the north to Cochin in the
south and from Shillong in the east to Bombay in the west.
The itinerary was dependant on weather conditions and air,
train and coach schedules. The sample survey was
labour-intensive, with the largest single expenditure being
the fieldwork for the interviewing time, travel time and
transport expenses .
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