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New Delhi, Jan 24: Although India's Ujjwala programme encouraged adoption of liquefied petroleum gas (LPG) for cooking among the poor, households availing the scheme have not shifted away from using highly polluting fuels like firewood, a study reveals.

The researchers, including those from the University of British Columbia (UBC) in Canada, found that additional incentives to encourage regular use of cooking gas are necessary for a complete transition to clean cooking fuel among poor rural households.

They noted that about 2.9 billion people across Asia, Africa, and Latin America burn solid fuels like firewood to meet their cooking energy needs.

This has significant negative implications for public health, the environment, and societal development, according to the researchers.

Through the Pradhan Mantri Ujjwala Yojana (PMUY), India has provided capital cost subsidies to poor women to adopt a clean-burning cooking fuel or LPG.

The researchers explained that within the first 40 months of the scheme, more than 80 million households obtained LPG stoves.

However, the full benefits of LPG adoption depend on near complete replacement of polluting fuels with LPG, according to a research-based policy brief published in the journal Nature Energy.

The scientists said this cannot be assumed solely on the basis of LPG presence in the household.

"Our research shows that Ujjwala was able to attract new consumers rapidly, but those consumers did not start using LPG on a regular basis," Abhishek Kar, a postdoc at Columbia University in the US, told PTI.

The study analysed LPG sales data for over 25,000 consumers, including PMUY beneficiaries, as well as general rural LPG consumers in Koppal district of Karnataka.

The scientists employed data covering all LPG purchases of PMUY beneficiaries through their first year in the programme.

They also assessed the general rural population's purchases during their first five years as consumers to assess the effect of experience on use.

The findings estimate that an average rural family needs to purchase five 14.2 kilogramme-cylinders annually to meet half of their cooking needs.

However, the study said just seven per cent of PMUY beneficiaries in Koppal purchased five or more cylinders annually, suggesting that the beneficiaries seldom use LPG.

The general (nonPMUY) consumers in this region use on average two times more LPG cylinders than PMUY beneficiaries, the researchers noted.

Yet, only 45 per cent of nonPMUY consumers use five or more cylinders per year -- even after several years of experience with LPG, they said.

The team assessed price and seasonal factors affecting LPG use among the general population over a three-year period.

It found that LPG consumers are sensitive to price and seasonality -- LPG cylinder refill rates are lower in the summer when agricultural activity is limited, and cash is scarce.

"There was no scheme incentives to promote use, except general LPG subsidies which is available to all, including the urban middle class," said Kar, who was a Ph.D. scholar at UBC when the research was published.

"If there is no additional income, what cost would a poor family on an already tight budget cut to pay for an extra expense on a regular basis.

"Ujjwala has started the scheme of 5 kg-cylinder in response, but the impact of that on LPG sales is still publicly unknown," he said.

These findings, the researchers noted, suggest the need for additional measures to promote regular LPG use for all rural populations.

Although the finding come from a single district in Southern India, it may also apply to other areas with similar socio-economic conditions, they said.

A more expansive evaluation of PMUY would help design targeted incentives to transform infrequent users to regular users, according to the researchers.

Warangal, May 26: A 26-year-old man from Bihar was arrested here for murdering nine people by throwing them into a well to cover the murder of a woman, police said on Monday.

Dr Ravinder, Commissioner of Police (CP), Warangal, said that the bodies were recovered on May 21 and May 22 from the well. Investigation has revealed that the accused, Sanjay Kumar Yadav, killed all of them to cover up the murder of Rafiqa, with whom he had a relationship.

He said that Yadav got acquainted with a person named Maqsood and his sister-in-law Rafiqa. "Slowly, he came close to Rafiqa and started living together with her three children. Yadav tried to misbehave with Rafiqa's 15-year-old daughter. Rafiqa did not like this and threatened to lodge a complaint against him," Ravinder said.

"Then, Yadav planned to kill Rafiqa in order to live with her daughter. Yadav promised Rafiqa to marry. They boarded a train to West Bengal from March 7. Yadav mixed sleeping tablets in the food packet and later strangulated her, and threw her body outside the train," he said.

According to police, Yadav later came back to Warangal but Maqsood's wife Nisha started questioning him about the whereabouts of Rafiqa.

"Nisha threatened to lodge a police complaint against him. With a premeditated motive, from May 16 to May 20, he visited Maqsood's family who stayed in a gunny bag factory," he said.

Yadav purchased sleeping pills from Warangal and mixed in the food on the birthday of Maqsood's elder son on May 20, police said.

"Maqsood and his five family members were living there. Yadav mixed sleeping pills in the food and later they consumed it. Maqsood's family friend Shakeel was also there. Then, he went to the first floor of the factory where two labourers were staying. He mixed sleeping pills in their food too. He suspected that they may get up and create a problem. To cover up the murder of Rafiqa, he killed nine people," Ravinder said.

At around 12:30 am, Yadav woke up and saw that everyone is asleep, according to police.

"Then, he used the gunny bags to drag all the nine people into the well. He threw the gunny bag one by one into the well," Ravinder said.

According to the police, six teams were deployed to investigate the case.

"Yadav has been arrested now and will be taken to police custody. We will collect all evidence and ensure that he gets maximum punishment for this offence," Ravinder said.