Some of the biggest subbrokers in the LPG black market are based in Arjun Nagar, Bhim Nagar, Sikanderpur and Nathupur.
Sources said they have made godowns in residential areas for easy delivery.
There are many pockets in Gurgaon where this illegal business is mushrooming now. Sub-brokers generally target industrial places where migrant labourers live in large numbers.
Areas such as Khandsa, Badshahpur, Begampur Khatola, Naurangpur and Kadipur have a large number of industrial plants and sizeable population of labourers.
"Before the cap on subsidised cylinders, we could get a cylinder for Rs 600 to Rs 700, but now we pay Rs 1,200," a Badshahpur resident said.
