Mamata writes to PM Modi over PSA plants issueAmid the high demand for medical oxygen in hospitals due to the second wave of the pandemic in the country, West Bengal Chief Minister Mamata Banerjee today wrote to Prime Minister Narendra Modi seeking his attention over the lowering quota for the state in allocating Pressure Swing Adsorption (PSA) plants by the Centre."I have already written to you regarding the availability of liquid medical oxygen in the current COVID pandemic situation, and while results on that front are generally awaited, I invite your kind particular attention to one specific issue: PSA (Pressure Swing Adsorption) plants.
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