Rumour mills have been abuzz about their participation in the show, but a formal announcement regarding their inclusion is set to be made here Wednesday.
However, if a source is to be believed, the couple will be on the show just as a special guest for an episode or two.
When IANS questioned Nachiket Pant Vaidya, general manager, Star Plus, over Sania-Shoaib's participation, he said: "I met Sania at the BIG Star Entertainment Awards... And well, let's see."
Sania and Shoaib got married in 2010.
They will join 11 other celebrity couples on "Nach Baliye", which is set to go on air on Star Plus Dec 29.
As many as 11 well-known couples from the TV industry have been brought together for the comeback season, to be judged by actress Shilpa Shetty, director Sajid Khan and ace choreographer Terence Lewis.