While the Opposition leaders met in the morning to discuss the floor strategy, Modi addressed the BJP parliamentary party members.
West Bengal CM Mamata Banerjee called Modi "a bad politician and a worse administrator".
Congress accuses Modi of leaking the demonetisation move to top BJP leaders.
Modi said in a public function that some people are opposing the move as they did not time to convert black money into white.
Modi assures Indians their money is safe. "No one can take anyone's money."
Modi was scheduled to speak in the Rajya Sabha to justify his firm stand on scrapping old Rs 500 and Rs 1,000 notes.
The Opposition parties led by Congress staged a protest at Gandhi statue outside Parliament.
West Bengal Chief Minister Mamata Banerjee claimed that 68 people have died across the country due to the hardship caused by the demonetisation.
Rahul cites Modi video-address at the Global Citizen Festival in Mumbai.