After the Partition, the Indian rupee held a higher value than the Pakistani currency, prompting smugglers to engage in a sophisticated counterfeiting scheme. By utilizing chemicals, they erased Pakistani overprints from banknotes, effectively passing them off as Indian currency. These altered notes were crafted with such precision that they remained undetected by the naked eye until they were eventually submitted for deposit at a bank.
British-era counterfeit notes: Deception went unnoticed until bank deposit
Following the Partition, smugglers used chemicals to remove Pakistani overprints from banknotes to exploit the higher value of the Indian rupee.
Source: The Business Standard