Patna: The JDU on Saturday slammed the RJD for releasing a photograph of MLC Sanjay Singh's son with a girl, who the party later said was his niece.

JDU MLC and spokesperson Neeraj Kumar warned RJD chief Lalu Prasad to behave properly or be ready to face a bitter situation in the coming days. He said the RJD had crossed all limits in projecting Sanjay's niece in a bad manner.

"I want to warn Lalu ji not to cross limits, the RJD has projected the relationship between a brother and a sister in a bad manner. If Laluji continues to do so, we will take him to his political graveyard. Even Tejashwi Yadav made unhealthy and cheap comments at our leader Nitish Kumar ji," Neeraj said.

The latest war of words, or photographs in this case, started after Tejashwi released Nitish's photo with an accused in the 2012 Ara hooch tragedy on Thursday. On Friday, MLC Sanjay Singh released an old, postcard-sized picture in which the former deputy chief minister is seen standing with a girl and a bottle of beer is visible in the background. Tejashwi slammed Nitish for the JDU releasing his old photo with a girl during a party while party member Shakti Singh Yadav showed a photo of Singh's son with a girl about to kiss him.

Shakti had said: "We do not want to indulge in such things but if they will force us to do so, we will not stay quiet."

To the JDU's allegation that Tejashwi does not stay at Bihar Niwas on his Delhi visits, Tejashwi also alleged that Nitish made frequent visit to Noida, Palam Vihar and Dwarka on his trips to the capital.

Neeraj said on Saturday: "Tejashwi Yadav should not forget how to live in the public domain and must care about public life. His statement proves that Lalu has not given a good education to his sons and neither of them has any knowledge about politics.

"Lalu's sons have just started their political career and within a short time, they are left with a black spot on their face. Their political career has come to an end now," he added.