Mamata writes to PM Modi, flags Covid-19 vaccine shortage

West Bengal chief minister Mamata Banerjee on Sunday wrote to Prime Minister Narendra Modi and requested the Centre for the supply of 5.4 crore more doses of Covid-19 vaccination and steady supply of oxygen. In her letter, Mamata alleged that the supply of vaccines from the Centre to the state had been 'scarce and erratic' and has impacted the vaccination proggramme.