KOLKATA : Senior doctors in West Bengal have blamed people's casual approach to lockdown guidelines and quarantine norms for high COVID-19 caseload in the state, and welcomed the TMC government's decision to impose bi-weekly shutdown to stem the spread of the disease.Admitting that community transmission of COVID-19 has been detected in a few pockets of Bengal, surgical oncologist Dr Diptendra Sarkar said the "two-day total lockdown across the state will help the administration tackle the situation to a considerable extent"."In several areas, where contact tracing is not possible, community transmission has been detected.