Which of the following is correct regarding the definition of urban areas as per Census of India of 1991?

All places which have municipality, corporation, cantonment board or notified town area committee and have a minimum population of 10000 persons. at least 70 per cent of male workers are engaged in non-agricultural pursuits. a density of population of at least 400 persons per square kilometres. None of the above

a density of population of at least 400 persons per square kilometres.

The census of India, 1991 defines urban settlements as All places which have municipality, corporation, cantonment board or notified town area committee and have a minimum population of 5000 persons, at least 75 per cent of male workers are engaged in non-agricultural pursuits and a density of population of at least 400 persons per square kilometres are urban.