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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.

Coronavirus India update: State-wise total number of confirmed cases, deaths on July 17

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.

Kolkata, July 13: Debendra Nath Roy, a member of the West Bengal legislative assembly (MLA) from the Bharatiya Janata Party (BJP), was found dead near his house in north Bengal’s Uttar Dinajpur district on Monday morning.

BJP leaders and his family members have alleged that he was murdered. 

BJP president JP Nadda has expressed “shock” at Roy’s “deplorable and suspected heinous killing” and condemned the incident.

He questioned the rise of “gunda raj” in West Bengal under Chief Minister Mamata Banerjee’s watch amid the worsening law and order in the state, which is slated to hold assembly polls next year, where the BJP is seen to be the primary challenger to the CM’s citadel.

“The suspected heinous killing of Debendra Nath Ray, BJP MLA from Hemtabad in West Bengal, is extremely shocking and deplorable. This speaks volumes of the gunda raj and failure of law and order in the Mamata Banerjee-led government. People will not forgive such a government in the future. We strongly condemn the incident,” he tweeted.

The BJP has demanded a Central Bureau of Investigation (CBI) probe into the lawmaker’s unnatural death.

His body was found in the balcony of a shop near his house at Bondol in Hemtabad, Uttar Dinajpur district, on Monday morning.

“The body has been sent for autopsy. We are investigating the case. No one has been detained for questioning or arrested so far,” said a police official from Uttar Dinajpur district, requesting anonymity.

“Roy was murdered. The way his body was found suggests that it was a premeditated murder and the accused tried to pass it off as a suicide. The ruling TMC (Trinamool Congress) is involved in his murder,” alleged Rahul Sinha, national secretary, BJP.

The TMC, however, refuted the BJP’s allegations.

“I heard that he (Roy) died by suicide. Police are investigating the case. Let the truth come out. If he has been murdered, then the culprits should be identified and punished as per law,” said Kanhaiyalal Agarwal, a TMC leader from Uttar Dinajpur district.

BJP leaders said some people had called Roy around 1 am on Monday and he went out of his home. His body was found on Monday morning.

Roy had won the Bengal assembly elections from Hemtabad on a Communist Party of India (Marxist) ticket in 2016, but joined the BJP last year.

New Delhi, Feb 25: Union Home Minister Amit Shah on Tuesday called a meeting to discuss the prevailing situation in the national capital after violence in Northeast Delhi over the amended citizenship law left four people dead.

Delhi's Lieutenant Governor Anil Baijal, Chief Minister Arvind Kejriwal and representatives of different political parties were invited for the meeting.

Follow live updates of clashes among CAA protesters in Delhi here

The home minister has convened a meeting to discuss the current situation in Delhi, a Home Ministry official said.

The move came after the home minister reviewed the law and order situation in the national capital on Monday night as violence rocked Northeast Delhi.

Frenzied protesters torched houses, shops, vehicles and a petrol pump, besides hurling stones.