The mass extinction that killed nearly 70 percent of the Earth's land animals 252 million years ago may have played out at different times on land and in the sea, according to the study of fossils from South Africa and Australia.
The study found new ages for fossilised vertebrates that lived just after the demise of the fauna that dominated the late Permian era 299 to 251 million years ago.
The scientists believe that global changes such as a warming climate, a rise in carbon dioxide in the atmosphere, and an increase in ocean acidification may have occurred around the end of the Permian period, and the beginning of the Triassic and likely contributed to the extinction.
Cabinet Secretary, Rajiv Gauba, said that there are no plans to extend the lockdown period beyond the current 21-day announced by Prime Minister Narendra Modi on March 24 to fight the Coronavirus pandemic.
The government has asked all states and UTs to strictly enforce the lockdown in view of the huge exodus of migrant workers.
It issued a set of measures to be implemented by local authorities to enforce the lockdown and to make sure that the migrant workers do not face any difficulties during the period of the lockdown.
The government has also constituted 11 empowered groups for planning and ensuring implementation of Covid-19 response activities.