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India aims for universal education
Raziya Khatoum is wading through a mountain of syringes, human waste, discarded paper and plastic bags.
The eldest of six children, she has been earning a living for herself and her family, by working as a rag-picker in a garbage dump near her home.
Although she is 12 years old, Raziya has never seen the inside of a classroom, but dreams that she could one day go to school like other children.
"I'd like to study but since my family has no money, I can't afford to go to a school," she says.
She has no choice; as a rag-picker, she can earn up to $0.25 cents for selling salvageable material from the waste dumps to wholesale dealers in one of Delhi's busy markets.
Hundreds of children in Baleswa, a slum in north-east Delhi where Raziya lives, have to work to support their families.
This is the reality for millions of street children in India.