Bigg Boss contestants never realise the power they have until they taste the joy of being the captain. With great power comes greater responsibility and this week's captain, Sree Santh had a major ace up his sleeve.

.@sreesanth36 is about to take the game up a notch with his special right to nominate 7 contestants! Don't forget to watch #BiggBoss12 tonight at 9 PM for the Bigg Dhamaka. #BB12 pic.twitter.com/Jd7F37QSrb