Comparing the Gujarat Chief Minister with Joseph Goebbels, the Propaganda Minister of Nazi government in Germany, the Congress leader also picked on his favourite target RSS alleging it trains its cadres in "disinformation campaign".
In his posts on the microblogging site Twitter, Singh said, "Sangh trains it's cadre in disinformation campaign. Obviously Modi has been trained well! Sangh has modelled itself in the Nazi tradition.
"Sangh training to it's cadre. Jhoot bolo zor se bolo aur baar baar bolo (Tell a lie, tell it loudly and tell it hundred times). Doesn't it remind you of Hitler's Goebbels?"
Singh's attack againt Modi and RSS came a day after Modi alleged that Rs 1,880 crore was spent from state exchequer for Congress President Sonia Gandhi's foreign trips citing a media report.
In the night, he offered to publicly accept his mistake if the claim turned out to be false.
"I had said this thing based on the report of a newspaper. If my information is wrong, today I say that I will publicly accept this mistake", Modi said addressing another rally in Junagadh.
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