The tiny building where Karuna Prajapati lived on the third floor in north Delhi's Burari area is surrounded by hundreds of people.

"We are experts in dodging bullets. We jumps into the fields when the smugglers open fire," says Babulal Prajapati, the TV repairman.

"We've made public toilets but people still don't use them," said Anil Prajapati, chairman of the Gujarat Sanitation Development Organisation.