Kali puja celebration
Loud speakers from 8 a.m till late nit during the occasion of kali puja

Its understood that entertainment is an integral part of the pujas in kolkata. However it doesnt necessarily mean that people cant even sleep peacefully at home because of the loud speakers playing hindi and bhojpuri songs pre and post puja's!!! Being so much awareness created to reduce levels of noise and air pollution... it seems that so called knowledgeble citizens of kolkata have got habituated with these... and dont raise voice..for good causes