"You (Congress) have started this vote-bank politics and now you are blaming us (BJP).
"It is Congress which sows seeds of poison. Andhra Pradesh is the perfect example to prove that you do 'zeher ki kheti'," Modi told a rally here.
Taking on Congress chief Sonia Gandhi, the BJP's prime ministerial candidate said, "Madam is saying the next elections is for unity and that we sow seeds of poison.
Noting that the creation of three new states under the NDA regime had been a smooth affair, Modi said that there was no strife when BJP bifurcated Uttar Pradesh, Madhya Pradesh and Chhattisgarh.
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"BJP does politics of love, not hatred," Modi said while accusing Congress of doing politics of "hatred and untouchability".
"One day, a Kerala leader praised me, he was removed. A minister from Kerala met me, he was taken to task. This politics of hatred and untouchability is not good for democracy," he said.
He also slammed the UPA government over the issue of inflation and said that although Congress had promised to combat price rise within 100 days, it had not been able to do deal with the problem.
"In the past 60 years, Congress has done nothing towards development, but the BJP will change everything in 60 months," he said.