"Maximum wealth lies with 50 families... Modi goes to America and China with their family members, using their aircraft," Rahul said at a 'Janakrosh Rally' here.
This was his first rally in poll-bound Uttar Pradesh after the Winter Session of Parliament was washed out over demonetisation.
Last week, Rahul had threatened to "expose personal corruption of Modi" while claiming that he was not being allowed to speak in Parliament as it would lead to an "earthquake".
He said only one per cent people have 60 per cent of the country's wealth and that "Modi has made fun of 99 per cent honest people through demonetisation".
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Rahul alleged that Modi had waived Rs 1,200 crore loan of Vijay Malya and Rs 1.10 lakh crore taken by 50 wealthy families, but did not care about writing off farmers' loans.
The purpose of note ban was "Garib ka khincho, Amir ko sincho (extract from the poor and help the rich)", he said.
Interestingly, at the rally, when some workers shouted slogans against Modi, Rahul asked them to desist from making personal attacks.
"Our fight against Narendra Modi is political, please don't raise 'murdabad' slogans against him...Such language is used by fascists and RSS, not Congress," he told them.