Political-strategist and Janata-Dal-leader Prashant-Kishor hit back at the BJP's Hardeep Puri a day after the Union-Minister claimed not to know of the man who has been widely credited for the "chai pe charcha" campaign that helped PM-Modi come to power in 2014. Arvind Kejriwal's AAP launched its re-election campaign last-week with Deputy-CM Manish Sisodia revealing the official-slogan 'Ache beete 5 saal, lage raho Kejriwal.