Comedian Kapil Sharma has denied rumours that he will be a contestant in the seventh edition of reality show "Big Boss". However, he says he may do a guest appearance in the show like he did in the grand finale of its previous edition. <br />About his stint on "Bigg Boss 7", he will be doing just a one-day shooting for the episode, but won't stay in house for long. <br />Meanwhile, the promo of the reality show is out. Featuring Bollywood star Salman Khan, as the show's host in a double role as an angel and devil, the promo reflects the theme of 'Heaven or Hell' of the forthcoming season. <br />Kapil Sharma is currently seen as the host of his hit comic show "Comedy Nights with Kapil", along with dance reality show Jhalak Dikhlaa Jaa.