Speaking at a rally in Palanpur, he said former Congress leader Mani Shankar Aiyar had a "secret meeting" with Pakistani officials at his house right before he called Modi "neech"; he has since been suspended from the party.
During a campaign rally in Gujarat, Modi had accused former PM Jawaharlal Nehru of down-playing Dr. Babasaheb Ambedkar's role in nation-building; yet, he said, Congress didn't mind seeking votes in his name.
Aiyar lashed out at Modi's remarks calling him a "neech aadmi" (man from a low caste) who has no "sabhyata" (civility) and plays "dirty politics."
'Aiyar, Manmohan Singh had secret meeting with Pakistan officials'
Modi has now claimed that right before his comments, Aiyar had a "secret meeting" at his Delhi house with "Pakistan's high commissioner, former foreign minister, India's former vice-president and former PM Manmohan Singh".
Moreover, former director general of Pakistan Army, Sardar Arshad Rafiq, allegedly wanted Ahmed Patel to be made Gujarat CM, Modi said.
He didn't say which media reports he was referring to.
Meanwhile, the Aiyar issue snowballed into a controversy even after the Congress suspended him. BJP leader Arun Jaitley tweeted, "Mani Shankar Aiyer's 'Neech' -attack on Prime Minister - a deliberate casteist statement, a convenient apology, a strategic suspension. People should see through this game."