<span style="color: #222222;">The Supreme Court has refused to entertain a plea challenging the appointment of two retired bureaucrats as special observer and central police observer in West Bengal for Lok Sabha polls. <br />''<br />''A vacation bench, comprising Justices Arun Mishra and MR Shah, said it was not inclined to entertain the petition as polling is already over. <br />''<br />''The bench, however, granted liberty to petitioner Ramu Mandi, who is contesting polls as an independent candidate from Barrackpore constituency of West Bengal, to approach the Calcutta High Court.</span><br />