Mamata Banerjee's brother died of Covid By IANS | 8 Views West Bengal Chief Minister Mamata Banerjee.. Image Source: IANS News Kolkata, May 15 : on a day when the state announced a nearly-lockdown condition to fight the spike in covid cases in the state for the next 15 days, chief minister Mamata Banerjee lost her younger brother who was battling for life in a private hospital for the last one month. Ashim Banerjee, the chief minister's younger brother, died on Saturday morning after being detected with Covid-19 last month, the hospital said in a statement. Banerjee, 62, was undergoing treatment at the hospital for the past one month, sources in the hospital said.