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May 20: Prime Minister K P Sharma Oli on Tuesday asserted that Lipulekh, Kalapani and Limpiyadhura belong to Nepal and vowed to "reclaim" them from India through political and diplomatic efforts, as his Cabinet endorsed a new political map showing the three areas as Nepalese territory.

Addressing Parliament, Oli said the territories belong to Nepal “but India has made it a disputed area by keeping its Army there”. “Nepalis were blocked from going there after India stationed its Army,” he said.

“India has deployed its troops in Kalapani since 1962 and our rulers in the past hesitated to raise the issue,” he said, asserting, “We will reclaim and get them back.”

The prime minister asserted that the Nepal government will make political and diplomatic efforts to reclaim the territory.

Oli also expressed the hope that India will “follow the path of truth, shown by Satya Meva Jayate, which is mentioned in the Ashoka Chakra, the national symbol of India”.

The prime minister’s remarks came a day after the Cabinet headed by him endorsed a new political map showing Lipulekh, Kalapani and Limpiyadhura under Nepal’s territory.

Foreign Minister Pradeep Kumar Gyawali said the official map of Nepal will soon be made public by the Ministry of Land Management. The move announced by Gyawali came weeks after he said that efforts were on to resolve the border issue with India through diplomatic initiatives.

Nepal''s ruling Nepal Communist Party lawmakers have also tabled a special resolution in Parliament demanding return of Kalapani, Limpiyadhura and Lipulekh to Nepal.

The Lipulekh pass is a far western point near Kalapani, a disputed border area between Nepal and India. Both India and Nepal claim Kalapani as an integral part of their territory - India as part of Uttarakhand’s Pithoragarh district and Nepal as part of Dharchula district.

Gyawali last week summoned the Indian Ambassador Vinay Mohan Kwatra and handed over a diplomatic note to him to protest against the construction of a key road connecting the Lipulekh pass with Dharchula in Uttarakhand.

India has said that the recently-inaugurated road section in Pithoragarh district in Uttarakhand lies completely within its territory. Indian Army chief Gen MM Naravane last week said that there were reasons to believe that Nepal objected to India''s newly-inaugurated road linking Lipulekh Pass with Dharchula in Uttarakhand at the behest of "someone else", in an apparent reference to a possible role by China on the matter.

He said there was no dispute whatsoever between India and Nepal in the area and road laid was very much within the Indian side.

The 80-KM-long strategically crucial road at a height of 17,000 KM along the border with China in Uttarakhand was thrown open by Defence Minister Rajnath Singh earlier this month.

Nepal has raised objection to the inauguration of the road, saying the "unilateral act" was against the understanding reached between the two countries on resolving the border issues. China on Tuesday said the Kalapani border issue is between India and Nepal as it hoped that the two neighbours could refrain from "unilateral actions" and properly resolve their disputes through friendly consultations.

After the endorsement of Nepal’s new map senior ruling party leader and member of Nepal Communist Party Standing Committee Ganesh Shah said the new move may escalate unnecessary tension between Nepal and India at a time when the country is fighting the coronavirus.

"The Nepal government should soon start a dialogue with India to resolve the matter through political and diplomatic moves," he said.

The new map includes 335-km land area including Limpiyadhura in the Nepalese territory.

The new map was drawn on the basis of the Sugauli Treaty of 1816 signed between Nepal and then the British India government and other relevant documents, which suggests Limpiyadhura, from where the Kali river originated, is Nepal''s border with India, The Kathmandu Post quoted an official at the Ministry of Land Reform and Management as saying.

India and Nepal are at a row after the Indian side issued a new political map incorporating Kalapani and Lipulekh on its side of the border in October last year.

The tension further escalated after India inaugurated the road link connecting Kailash Mansarovar, a holy pilgrimage site situated at Tibet, China, that passes through the territory belonging to Nepal.

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.