Diwali in Mumbai: Maharashtra Pollution Control Board and Awaaz Foundation test 30 crackers for noise compliance. With Diwali round the corner, the Maharashtra Pollution Control Board (MPCB) and NGO Awaaz Foundation tested firecrackers for compliance with noise standards at RCF ground in Chembur on Thursday evening. Around 30 types of crackers — from different manufacturers available in the local market— were tested and the noise levels were found to be within the.