"Even after 50 days, the plight of people caused by demonetisation has not ended... Modiji should own up to his failure and offer to resign on moral grounds as he has forced the country to the brink of economic slavery," he alleged.
"Cashless transaction is turning out to be a big scam and the Central government should to bring out a white paper on it," Tiwari said.
He said according to estimates Rs 50 crore was spent on BJP's rally in Lucknow yesterday and sought to know how the payments were made.
He also questioned Modi's claim that BJP governments prove good governance and rule of law.
"Either Modi has not been told the history or they think that public memory is very short.... During the Kalyan Singh government it was the first time in the state that people with criminal background had found a place in the ministry because of political compulsions," Tiwari claimed.
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