As part of the Azadi ka Amrit Mahotsav, AIR news is airing NISHAN, a 75-episode programme on landmark sites associated with the freedom movement.<br />''<br />'' It is being broadcast every Wednesday in our Parikrama programme at 4:45 PM.<br />''<br />''<span style="color: #000000;">In today's episode we will be narrating the history of Cellular Jail also known as KaalaPani, in Port Blair, Andaman.</span><br />''<br />