Just as we thought that Colors and Endemol had got their judges for <a href=http://www.tellychakkar.com/news/return-vindoo-and-pravesh-dance-show>Chak Dhoom Dhoom</a>- Bigg Boss 3 winner <a href=http://www.tellychakkar.com/news/vindu-dara-singh-bigg-boss-3-winner>Vindoo Dara Singh</a>,choreographers Vaibhavi Merchant and Ahmed Khan, the show has hit its first roadblock with Merchant backing out of it. The renowned choreographer who was in talks with the makers on the show backed out for reasons best known to her. Merchant texted us, "I am not doing the show."