Party chief spokesperson Randeep Surjewala, however, made it clear that the party would always support "meaningful, specific and pointed" steps to unearth black money.
He also sought to know if the Prime Minister has brought this scheme without giving much thought just to cover his "failure" to bring black Rs 80 lakh crore black money stashed abroad and deposit Rs 15 lakh in the account of every citizen.
Surjewala suggested that the way the measure had been brought about "without studying" the situation properly could create a host of problems for the common man given the fact that festive and marriage season was on, paddy has been harvested and sent to market, and sowing wheat and other rabi crops was under progress.
He said the move could turn up another 'jumala' (catchphrase) of the Prime Minister.
Surjewala also wondered whether banks have the infrastructure and mechanism to suddenly implement such a major decision.