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New Delhi, May 4: The country's manufacturing sector activity witnessed unprecedented contraction in April amid national lockdown restrictions, following which new business orders collapsed at a record pace and firms sharply reduced their staff numbers, a monthly survey said on Monday.

The headline seasonally adjusted IHS Markit India Manufacturing Purchasing Managers' Index (PMI) fell to 27.4 in April, from 51.8 in March, reflecting the sharpest deterioration in business conditions across the sector since data collection began over 15 years ago.
The index slipped into contraction mode, after remaining in the growth territory for 32 consecutive months.

In PMI parlance, a print above 50 means expansion, while a score below that denotes contraction.

Amid widespread business closures, demand conditions were severely hampered in April. New orders fell for the first time in two-and-a-half years and at the sharpest rate in the survey's history, far outpacing that seen during the global financial crisis, the survey said.

"After making it through March relatively unscathed, the Indian manufacturing sector felt the full force of the coronavirus pandemic in April," said Eliot Kerr, Economist at IHS Markit.
Panellists attributed lower production to temporary factory closures that were triggered by restrictive measures to limit the spread of COVID-19.

Export orders also witnessed a sharp decline. Following the first reduction since October 2017 during March, foreign sales fell at a quicker rate in April. "In fact, the rate of decline accelerated to the fastest since the series began over 15 years ago," the survey said.

On the employment front, deteriorating demand conditions saw manufacturers drastically cut back staff numbers in April. The reduction in employment was the quickest in the survey's history.

"In the latest survey period, record contractions in output, new orders and employment pointed to a severe deterioration in demand conditions.
“Meanwhile, there was evidence of unprecedented supply-side disruption, with input delivery times lengthening to the greatest extent since data collection began in March 2005," Kerr said.

On the prices front, both input costs and output prices were lowered markedly as suppliers and manufacturers themselves offered discounts in an attempt to secure orders.

Going ahead, sentiment regarding the 12-month outlook for production ticked up from March's recent low on hopes that demand will rebound once the COVID-19 threat has diminished and lockdown restrictions eased.

"There was a hint of positivity when looking at firms' 12-month outlooks, with sentiment towards future activity rebounding from March's record low. That said, the degree of optimism remained well below the historical average," Kerr said.

In India, the death toll due to COVID-19 rose to 1,373 and the number of cases climbed to 42,533 as on Monday, according to the health ministry.

Meanwhile, the coronavirus-induced lockdown has been extended beyond May 4, for another two weeks in the country.

London, May 20: The current physical distancing guidelines of 6 feet may be insufficient to prevent COVID-19 transmission, according to a study which says a mild cough in low wind speeds can propel saliva droplets by as much as 18 feet.

Researchers, including those from the University of Nicosia in Cyprus, said a good baseline for studying the airborne transmission of viruses, like the one behind the COVID-19 pandemic, is a deeper understanding of how particles travel through the air when people cough.

In the study, published in the journal Physics of Fluids, they said even with a slight breeze of about four kilometres per hour (kph), saliva travels 18 feet in 5 seconds.

"The droplet cloud will affect both adults and children of different heights," said study co-author Dimitris Drikakis from the University of Nicosia.

According to the scientists, shorter adults and children could be at higher risk if they are located within the trajectory of the saliva droplets.

They said saliva is a complex fluid, which travels suspended in a bulk of surrounding air released by a cough, adding that many factors affect how saliva droplets travel in the air.

These factors, the study noted, include the size and number of droplets, how they interact with one another and the surrounding air as they disperse and evaporate, how heat and mass are transferred, and the humidity and temperature of the surrounding air.

In the study, the scientists created a computer simulation to examine the state of every saliva droplet moving through the air in front of a coughing person.

The model considered the effects of humidity, dispersion force, interactions of molecules of saliva and air, and how the droplets change from liquid to vapour and evaporate, along with a grid representing the space in front of a coughing person.

Each grid, the scientists said, holds information about variables like pressure, fluid velocity, temperature, droplet mass, and droplet position.

The study analysed the fates of nearly 1,008 simulated saliva droplets, and solved as many as 3.7 million equations.

"The purpose of the mathematical modelling and simulation is to take into account all the real coupling or interaction mechanisms that may take place between the main bulk fluid flow and the saliva droplets, and between the saliva droplets themselves," explained Talib Dbouk, another co-author of the study.

However, the researchers added that further studies are needed to determine the effect of ground surface temperature on the behaviour of saliva in air.

They also believe that indoor environments, especially ones with air conditioning, may significantly affect the particle movement through air.

This work is important since it concerns safety distance guidelines, and advances the understanding of the transmission of airborne diseases, Drikakis said.

New Delhi, Jun 24: In a stinging attack on the Gandhi family of the Congress, BJP president J P Nadda on Wednesday said a dynasty and its courtiers have "grand delusions" of the opposition being about itself and stated that a "rejected and ejected" family is not equal to the entire opposition.

In his tweets, Nadda said it was the time for unity and solidarity, and the "relaunch of the scion for the nth time can wait", an apparent dig at Rahul Gandhi, who has been aggressive in his attacks on Prime Minister Narendra Modi for his handling of the border row with China.

Nadda said India lost thousands of square kilometres of land due to the "misadventures of one dynasty" and claimed that the Siachen glacier, where the Indian Army has a strong presence, was almost gone. No wonder India has rejected them, he said.'

The BJP president posted a news report to back his assertions about Siachen.

"One 'royal' dynasty and their 'loyal' courtiers have grand delusions of the Opposition being about one dynasty. A dynast throws tantrums and his courtiers peddle that fake narrative. The latest one relates to the Opposition asking questions to the Government," Nadda said.

Though he did not directly name the Gandhi family or any of its members, the reference was clear.

He said it was the opposition's right to ask questions and added that the all-party meeting called by Prime Minister Narendra Modi saw healthy deliberations, with several opposition leaders giving their valuable inputs.

They also fully supported the Centre in determining the way ahead, Nadda said.

"One family was an exception. Any guesses who," he asked.

Targeting the Gandhis, the BJP president said, "One rejected and ejected dynasty is NOT equal to the entire Opposition. One dynasty's interests are not India's interests. Today, the nation is united and supportive of our armed forces. This is the time for unity and solidarity. Relaunch of 'the scion' for the nth time can wait."