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Attari, Mar 19: At least 29 Indians, who had gone to Dubai to watch a cricket match which was called off later, on Wednesday night returned to India through the land transit route of Attari-Wagah border here.

Earlier, when they entered India after being cleared by the Pakistan Immigration Authority, they were detained at Attari border, as they were not having requisite permission on their passport to return to India through Pakistan.

According to officials, they had earlier flown to Dubai from New Delhi to watch a Pakistan League Cricket match there.

The match, however, was aborted and they decided to return India via Pakistan. They took a flight to Pakistan and after landing there, they took land route to reach Attari-Wagah border.

All were cleared by Indian immigration authority after being allowed by the Union Ministry of Home Affairs.

Amritsar Civil Surgeon Dr Prabdeep Kaur Johal said that by 9.30 PM all the Indian nationals were not handed over to the medical team for checkup.

She said if anyone of them are found with any symptoms of the virus, they would be admitted to Amritsar Government Hospital or else they would be allowed to continue their journey to Delhi or elsewhere.

Washington, Apr 23: Air pollution over northern India has plummeted to a 20-year-low for this time of the year, according to satellite data published by US space agency National Aeronautics and Space Administration (NASA).
The US space agency's satellite sensors observed aerosol levels at a 20-year low post the countrywide lockdown, implemented to slow the spread of the novel coronavirus.

"We knew we would see changes in atmospheric composition in many places during the lockdown," said Pawan Gupta, a Universities Space Research Association (USRA) scientist at NASA''s Marshall Space Flight Center. "But I have never seen aerosol values so low in the Indo-Gangetic Plain at this time of year," added Mr Gupta.

Acting Assistant Secretary of State for South and Central Asia Alice G Wells tweeted, "These images from NASA were taken each spring starting in 2016 and show a 20-year low in airborne particle levels over India. When India and the world are ready to work and travel again, let's not forget that collaborative action can result in cleaner air."

The data published with maps show aerosol optical depth (AOD) in 2020 compared to the average for 2016-2019. Aerosol optical depth is a measure of how light is absorbed or reflected by airborne particles as it travels through the atmosphere.

If aerosols are concentrated near the surface, an optical depth of 1 or above indicates very hazy conditions. An optical depth, or thickness, of less than 0.1 over the entire atmospheric vertical column is considered "clean." The data were retrieved by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Terra satellite.

In the first few days of the lockdown, it was difficult to observe a change in the pollution signature. "We saw an aerosol decrease in the first week of the shutdown, but that was due to a combination of rain and the lockdown," said Mr Gupta.

Around March 27, heavy rain poured over vast areas of northern India and helped clear the air of aerosols. Aerosol concentrations usually increase again after such heavy precipitation.

"After the rainfall, I was really impressed that aerosol levels did not go up and return to normal. We saw a gradual decrease and things have been staying at the level we might expect without anthropogenic emissions," Mr Gupta said.

On March 25, the Indian government placed its 1.3 billion citizens under a strict lockdown to reduce the spread of COVID-19. The countrywide mandate decreased activity at factories and severely reduced car, bus, truck and airplane traffic. Every year, aerosols from anthropogenic (human-made) sources contribute to unhealthy levels of air pollution in many Indian cities.

Aerosols are tiny solid and liquid particles suspended in the air that reduce visibility and can damage the human lungs and heart.

In southern India though, the story is a little hazier. Satellite data show aerosol levels have not yet decreased to the same extent. In fact, levels seem to be slightly higher than in the past four years. The reasons are unclear but could be related to recent weather patterns, agricultural fires, winds or other factors.

"This a model scientific experiment," Robert Levy, program leader for NASA's MODIS aerosol products, said about the lockdown and its effects on pollution.

"We have a unique opportunity to learn how the atmosphere reacts to sharp and sudden reductions in emissions from certain sectors. This can help us separate how natural and human sources of aerosols affect the atmosphere," Mr Levy added.

New Delhi, Jan 7: Services at various bank branches and ATMs are likely to be affected as hundreds of employees will go on a bank strike across the country on Wednesday.

The bank strike is part of the Bharat Bandh call given by trade unions to protest against the labour reforms and economic policies of the Central government, according to reports.

The protestors' main demand during the Bharat Bandh is that the Centre should drop the proposed labour reforms.

A Bill in this regard was passed and proposes to merge 44 labour laws into four codes -- wages, industrial relations, social security, and safe working conditions.