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New Delhi, Jul 18: The Covid-19 lockdown-led reduction in air pollution levels across five Indian cities, including Delhi and Mumbai, may have prevented about 630 premature deaths, and saved USD 690 million in health costs in the country, according to a new study.

Scientists, including those from the University of Surrey in the UK, assessed the levels of harmful fine particulate matter (PM2.5) from vehicles and other sources in five Indian cities -- Delhi, Mumbai, Kolkata, Chennai and Hyderabad -- since the beginning of the lockdown period.

The study, published in the journal Sustainable Cities and Society, compared these lockdown PM2.5 figures from 25 March up until 11 May, with those from similar periods of the preceding five years, and found that the measure reduced pollution levels in all these places.

According to the scientists, during this period, the levels of these harmful air pollutants reduced by 10 per cent in Mumbai, and by up to 54 per cent in Delhi.

"The percentage reduction for the other cities ranged from 24 to 32 per cent, which was slightly smaller than the measured values for Delhi and Mumbai," the scientists noted in the study.

"While the reduction in PM2.5 pollution may not be surprising, the size of the reduction should make us all take notice of the impact we have been having on the planet," said Prashant Kumar, a co-author of the study from the University of Surrey.

The scientists said these reductions in PM2.5 were comparable to those reported in other cities across the world, such as in Austria's capital Vienna (60 per cent), and Shanghai (42 per cent) in China.

They also calculated the monetary value of the reduced mortality due to air pollution and found that the lowered levels of PM2.5 may have saved 630 people from premature death, and USD 690 million in health costs in India.

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According to the researchers, the present lockdown situation offers observational opportunities regarding potential control systems and regulations for improved urban air quality.

They said an integrated approach might help in understanding the overall impacts of Covid-19 lockdown-style interventions and support the implementation of relevant policy frameworks.

"This is an opportunity for us all to discuss and debate what the 'new normal' should look like - particularly when it comes to the quality of the air we breathe," Kumar said.

Noida, Jan 6: A fire broke out at the ESIC Hospital in Noida on Thursday morning and firefighting was underway, officials said.

The blaze broke out in the basement of the seven-storey hospital building located in Sector 24, a police official said.

Fire tenders were rushed to the spot after the Fire Department was alerted about it around 8 am, the official said.

After that, a search was done to see if anyone was trapped in the building, he said.

The cooling process is now underway.

He said the fire had engulfed the ground, first and second floors of the building, except the basement.

Police said they received information about fire at Kaveri printing press at 2:45 am, when the manager Yogesh called them. The press owners have been identified as Atul and Anuj Goyal, residents of Sukhdev Vihar, they said.

The man who died in the fire has been identified as Phool Dev, from Bihar, who used to work as a help there. Dev went inside the building in the night to sleep before the fire started and died due to suffocation, the fire department official said.

The body has been kept at Lal Bahadur Shastri Hospital and the post-mortem will be done once the family reaches here, police said.

Kolkata, Jan 15: The arrows of Mahabharata's Arjuna had atomic power, claimed West Bengal Governor Jagdeep Dhankhar, drawing sharp criticism from academicians, even as he joined a long list of politicians who have in recent years given bizarre interpretations linking mythology with science.

Speaking at the 45th Eastern India Science Fair and 19th Science and Engineering Fair on Tuesday, Dhankhar also claimed that flying objects existed during the period of Ramayana.

"It is said that the plane was invented in 1910 or 1911, but if we delve into our old scriptures we will see in Ramayana, we had 'uran khatola' (aircraft)," he said.

"Sanjaya narrated the entire war of Mahabharata (to Dhitarasthra) not from TV. The arrows of Arjuna in Mahabharata had atomic power in it," Dhankhar said, asserting that the world can no longer afford to ignore India.

According to Sanskrit epic Mahabharata, Sanjay, even after staying away from the battlefield, had narrated what was happening there to Dhritarashtra, who was blind.

Dhankhar, who has been in news for clashes with the Mamata Banerjee government ever since he assumed office in July last year, joins politicians such as Tripura Chief Minister Biplab Deb and UP deputy chief minister Dinesh Sharma to give odd interpretations of mythology.

While Deb had claimed that the internet existed during Mahabharata, Sharma suggested that godess Sita was a test tube baby.

Recently, Puducherry Lt Governor Kiran Bedi was trolled online for sharing a doctored video that claimed, "NASA recorded sound of sun -- Sun chants Om".

Indologist Nrisingha Prasad Bhaduri said governors appointed by the BJP government at the Centre are delving into everything and behave "as if they are know-alls".

"They fail to understand one thing that great writers have very strong power of imagination," Bhaduri said.

Scientist Sandip Chakraborty said such comments only hurt the scientific progress in India at the global forum.

"The ancient writers described all these things based on their imagination. It is true that India made a lot of progress during the ancient period, but such comments only damages the progress made by our scientific community," he said.