Foreign Secretary S Jaishankar (IFS:1977) may be given a crucial post-retirement responsibility as an Adviser to the Prime Minister to to add finesse and continuity to the various policies crafted by the government during his term, sources said. For some time now, power corridors have been agog with speculations about the 'prize' Jaishankar may get once he demits office on 28 January. It is believed that Jaishankar was initially offered the post of Deputy NSA. However, he didn't show any keenness in taking up that post. Later, speculations had it that a special post of 'Secretary General' (above Foreign Secretary) may be revived, but that, too, was discounted subsequently.