Columbia subject headings:
Harvard subject headings:
Plastic scrap--Economic aspects--India.
Plastic scrap--India.
Plastics industry and trade--India--Delhi.
Plastics industry and trade--India.
Plastics--Recycling--Economic aspects--India.
Poverty--India
Ragpickers--India--Delhi.
Recycling industry--India.
Princeton subject headings:
Delhi (India)--Economic conditions.
Plastic scrap--Economic aspects--India--Delhi.
Plastic scrap--India--Delhi.
Plastics industry and trade--India--Delhi.
Plastics--Recycling--Economic aspects--India--Delhi.
Poverty--India--Delhi.
Ragpickers--India--Delhi.
Recycling industry--India--Delhi.