The reaction came in the wake of Congress latching on to claims by former RAW chief AS Dulat to demand that Modi "respect the words" of Atal Bihari Vajpayee and offer an apology to the country.
BJP, however, insisted that every court had investigated Modi's role and found nothing against him and added that the opposition party raises the 2002 riots issue when it can find nothing else to say.
"In fact, Congress should apologise for raising questions about his integrity," said BJP national spokesperson, MJ Akbar.
He said that if thorough investigation was undertaken into the riots under Congress rule, many of its leaders would not be in their homes.
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"Indeed, it occurs to me that if, on the riots under Congress, one-hundredth of the investigations had taken place against those who are responsible, a lot of VIPs would not be in their homes," charged Akbar.
Claiming that Congress has a "very convenient memory" on Kandahar, Akbar said the decision to save the hijacked Indians was taken after consultations with everyone.
"It is regrettable, but perhaps their (Congress's) occasional amnesia, where it suits them. On Kandahar, consultations were held at the highest level by senior leaders of NDA. It was a national crisis. In the spirit of the Vajpayee government, consultations were held with all the parties," he said.
"Congress is devoid of issues and is trying to borrow them and rake up dead issues," he said.