Workers at Airport Garia metro construction site during COVID-induced lockdown, in Kolkata.

Workers load bricks onto donkey wagons at a brick factory in Baghdad's southeast suburb of Nahrawan, Iraq. The workers work 12 hours a day for about USD$ 15.

Workers pull a loaded hand-cart during a hot summer day in New Delhi.

Labourers under Mahatma Gandhi National Rural Employment Guarantee Act (MNREGA) work at a site during ongoing COVID-19 pandemic, on the outskirts of Beawar.

Labourers under Mahatma Gandhi National Rural Employment Guarantee Act (MNREGA) work at a site during ongoing COVID-19 pandemic, on the outskirts of Beawar.

Workers pluck tea leaves during monsoon season at a tea estate in Dibrugarh.

Labourers carry load on a hand-cart at Chandni Chowk in Old Delhi.

Labourers rest outside closed shops at Sadar Bazaar market area ahead of its reopening, as part of government's order of gradual unlocking of COVID-induced restrictions, in New Del...

Daily wage laborers wearing face masks wait for work during relaxation in curfew imposed to curb the spread of the coronavirus in Dharamsala.

Workers dispatch goods from a lorry for supplying them to local people, during COVID-induced lockdown, at Rangey Gounder street in Coimbatore.

Labourers work at a construction site as unlocking process of COVID-19 lockdown begins in New Delhi.

A labourer works at a steel factory, after the partial relaxation in the ongoing Covid-19 lockdown by the Delhi government, at Wazirpur, in New Delhi.

A worker busy at a factory in the Wazirpur Industrial area, as the unlocking process of COVID-19 lockdown begins, in New Delhi.

Labourers pull a cart at Sadar Bazar wholesale market during COVID-induced lockdown, in Old Delhi.

Construction workers prepare a 500 bedded COVID-19 hospital by DRDO at Bhagwati Nagar in Jammu.

Workers putting plastic sheets on the roof of the Dahisar Vaccination Centre in Mumbai for the rainy season.

Migrants walk during COVID induced statewide 14-day lockdown in the wake of rising coronavirus cases, in Bhubaneswar.

Labourers load a sack containing wheat grain in a truck, during the second wave of coronavirus pandemic in Bathinda.

Labourers load a sack containing rice grain in a truck, during the second wave of coronavirus pandemic in Guwahati. May 1 is observed as International Workers' Day or Labour Day.

Labourers work in a brick kiln on May Day (also known as Labour Day), on the outskirts of Nadia.