He also argued that the announcement of the gas cylinder price cut is an electoral gimmick and he would beat the prime minister with footwear for this.
"The elections are coming and they have reduced the price (of the cylinder gas) by Rs 100. If I happen to meet him (PM Modi), I will beat him with what I have in my legs, and ask why are you doing it now?," he said addressing a public rally.
"I want to ask this not as a Congressman but as a citizen of this country. You all must ask this or else no one will listen. When we don't learn to question, we don't fully become deserving to be voters in the state. I plead to the people, the election begins in about 15 days. Why are you happy that prices have been reduced by Rs 100?" Manjunath said.
Modi had announced a Rs 100 cut on LPG cylinders on the occasion of International Women's Day.
The BJP has vehemently reacted to Manjunath's unparliamentary remarks on PM and sought an apology from him.
BJP MLC Chalavadi Narayanaswamy said the remarks against Modi will prove costly for the Congress and added that the BJP leadership will initiate legal action against Manjunath.
"The BJP Central leadership will initiate legal action. The Congress party follows a culture of abuse and indulges in using derogatory language.