<span style="color: #222222;">The Election Commission has appointed senior IAS officer Ajay V Nayak as a special observer for West Bengal. </span><br />'' <br />'' <span style="color: #222222;">An official said, Mr Nayak will be overseeing the remaining five phases of Lok Sabha polls. The poll body has already appointed Vivek Dubey as a special police observer to ensure free and fair voting in the state. </span><br />'' <br />'' <span style="color: #222222;">Two Lok Sabha seats – Cooch Behar and Alipurduar – witnessed polling on 11th April, while the rest of the 40 constituencies in the state will go to polls in six phases.</span><br />''  <br />