Sisodia, who also holds finance portfolio, said there is no business in the city's markets and if it persists, it will be hard to pay salaries of government employees.
"Tax collection can be 50% low this month as there is no business in Delhi markets. If so, it would b hard to pay salaries of govt employees," he tweeted.
AAP, led by Delhi Chief Minister Arvind Kejriwal, has been opposing demonetisation since Prime Minister Narendra Modi announced the move on November 8.