Kolkata: In the wake of the extension of Covid-19 induced restrictions till June 15 in West Bengal, the Small and Medium Enterprises and exporters have sought relaxation from restrictions for their survival.West Bengal Chief Minister Mamata Banerjee on Thursday extended the ongoing Covid-19 restrictions till June 15.SMEs have urged the chief minister that the extension of restrictions without amendments or relief will adversely affect the micro medium and small enterprises (MSME) of the state."State MSMEs are gasping for survival and hence at this moment imposing any restriction against running the units will be hard to survive.