Which one of the following is NOT the part of the definition of a town as per the census of India?

More than 75% of the population engaged in primary sector.

The 2011 Census defines towns of two types: statutory town and Census Town. Statutory town is defined as all places with a Municipality, Corporation, Cantonment Board or notified town area committee. Census towns are defined as places that satisfy the following criteria:

1. Minimum population of 5,000
2. At least 75% of male working population engaged in non-agricultural pursuits
3. Density of population at least 400/km²