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In parts of India, roaming “ironing wallahs” use charcoal-powered irons to press wrinkles out of clothes.

When she traveled by train to visit family members in other parts of India, she would seek out the chaat wallahs set up right outside each station to get a taste for the local flavors.

After bargaining with the rickshaw wallahs, Sass settled Hari and Sassur in one rickshaw and directed me to join her in the second one.

He had been working on these slopes since he was 8, beginning as a sled wallah.

Educated youths do not want to be “pakora wallahs” — people who make a quintessential fried Indian snack — said Radhicka Kapoor, an economist at the Indian Council for Research on International Economic Relations.