S VENKATESAN, Member of Parliament of CPI(M) from Madurai has written to the union health minister, Harsha Vardhan questioning the country’s preparedness to handle the surging demand for medical oxygen in the country. He cited the example of his work in his constituency, how he worked alongwith the district administration to ensure enough supply in his district.He said, “last year, during the first wave of Covid-19, the country as a whole was facing an enormous crisis.