The city unit of the party, headed by Sanjay Nirupam, will embark on a mass awareness campaign on the "hardships" of the common man in the wake of the withdrawal of Rs 1,000 and old Rs 500 currency notes from circulation last week.
Addressing a press conference, Nirupam claimed that the demonetisation move had "failed to curb black money and counterfeit currency".
"We will tell the people that this demonetisation is a fraud. (It's) an ill-conceived decision with no preparation to implement it," he alleged.
Nirupam said as part of the drive, open debates will be held in the "people's court".
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"This (demonetisation) has affected bullion as well as retail markets, apart from restaurants, vegetable vendors, theatres, healthcare, pharmaceutical, textile and leather sectors in Mumbai.
"Production has virtually stopped and employment has been hit. The labour market has virtually collapsed and economic activities have come to a standstill," he alleged.
"How can the government decide that Rs 500 and Rs 1,000 currency notes are illegal tenders without pumping in enough notes of lower denominations," he asked.
Nirupam said out of the Rs 17 lakh crore worth currency in the market, Rs 400 crore was counterfeit.
Rebuking the Maharashtra government over collection of
dues such as tax etc. In invalid currencies from the people, Nirupam demanded a "break-up" of the loss caused in stamp duty and octroi collection after the demonetisation.
The state government had allowed the people to pay water tax, electricity bills, municipality taxes etc. In the scrapped notes of Rs 1,000 and Rs 500, which has resulted in a substantial rise in its coffers.
He alleged that the invalid tenders were being "illegally converted" into dollars at the rate of Rs 117 per dollar.
"Gold prices have gone up and in places like Gujarat, Madhya Pradesh and Maharashtra, bribes are being sought and paid in the new Rs 2,000 currency notes. All the cash is not black money and all the black money is not cash," he said, adding that the brunt of Modi's demonetisation move was being borne by the middle-income and low-income groups.
Nirupam sought Modi's clarification on how he ran his "high-voltage" campaign for the 2014 general election as the BJP's prime ministerial nominee.
"How were the expenses met...Was it all white money?," he asked.