Mumbai, Oct. 24 -- With the Supreme Court (SC) in the midst of reviewing the Centre's plea on the use of green firecrackers this Diwali, Mumbai-based non-governmental organisation (NGO) Awaaz Foundation on Sunday wrote to the National Environmental Engineering Research Institute (NEERI), cautioning against the sale of spurious firecrackers being sold under the guise of 'green crackers' in Mumbai.

Last week, Awaaz Foundation had purchased 30 varieties of commercially available firecrackers in Mumbai for noise testing at RCF Ground in Chembur, in collaboration with the Maharashtra Pollution Control Board (MPCB).

Of these 30 crackers, only 16 were found to be labelled with NEERI's stamp of approval. NEERI, at SC's instruction, has been wor...