Section 10 in The Delhi Municipal Corporation (Property Taxes) Bye-Laws, 2004
10. Specification of categories of streets for the purpose of classification of vacant lands and buildings into colonies and groups.
-For the purpose of clause (g) of sub-section (1) of section 116A, streets in Delhi shall be categorized as follows:(1)Category I street width of 24 metres and above,(2)Category II street width of 13.5 metres and above but less then 24 metres, and(3)Category III street width of less than 13.5 metres
