Patna: An advertisement by BJP on beef in newspapers in areas going to polls on Thursday in the final phase, including Seemanchal, on Wednesday created controversy, with the rival Nitish Kumar-led alliance knocking the doors of the Election Commission seeking against it.

The BJP advertisement questioning the 'silence' of Chief Minister Nitish Kumar over 'repeated insult' to revered cow byhis 'friends' everyday appeared in vernacular newspapers in Kisanganj, Saharsa and other areas that will witness votingtomorrow in the fifth and final round of Assembly election.