<span style="color: #222222;">Union Home Minister and senior BJP leader Rajnath Singh will be campaining for AIADMK candidates in various parts of Tamil Nadu today.</span><br />'' <br />'' <span style="color: #222222;">He will be addressing election rallies at Perambalur and Sivagangai in the afternoon. AIADMK has fielded NR Sivapathi in Perambalur and Raj Satyan in Sivagangai. </span><br />''