Election Commission adviser K J Rao on Wednesday began probe into the alleged violation of the model code of conduct by Rashtriya Janata Dal president and Railway Minister Lalu Prasad in distributing cash to dalit women at Bihta, Patna, last week.

Rao, accompanied by Patna District Magistrate Goutam Goswami, went around Patna enquiring about hoardings, banners and posters that had been put up for the RJD's December 23 rally, a day after it was cancelled.

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Rao also went to the Patna Railway Junction and collected details about the postponement of an inauguration ceremony of a platform by the RJD chief after the code of conduct came into the force.

Rao is scheduled to visit Bihta later in the day.