Section 2(h) in The Delhi Development Authority (Disposal Of Developed Nazul Land) Rules, 1981
(h)"middle income group" means the group of persons the total annual income of the family of everyone of whom exceeds seven thousand two hundred rupees or such amount notified, from time to time, under clause (g) but does not exceed eighteen thousand rupees or such higher or smaller amount as the Central Government may determine, from time to time, by notification having regard to the varying inflationary trends and economic factors;
