Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year(s) | Serial Name | Role | Co-Star | Note(s) | Channel |
| --- | --- | --- | --- | --- | --- |
| 2005–2009 | Saat Phere | Nahar Singh(Male Lead) | Rajshree Thakur |  | Zee TV |
| 2010 | Sarvggun Sampanna | Abhay(Cameo) | -- |  | Imagine TV |
| 2009–2010 | Bairi Piya | Thakur Digvijay Singh Bhadoria /Ranveer(Male Lead) | Supriya Kumari |  | Colors (TV channel) |
| 2009 | Pati Patni Aur Woh | Himself | -- | He was the host of the show. | Imagine TV |
| 2007 | Sa Re Ga Ma Pa Challenge 2007 | Himself | Mauli Dave | He was the host of the show. | Zee TV |
| 2006 | Nach Baliye 2 | Himself | Keerti Gaekwad Kelkar |  | Star One |
| 2005–2007 | Sinndoor Tere Naam Ka | Rudra Raizada(Male Lead) | Keerti Gaekwad Kelkar |  | Zee TV |
| 2011 | Uttaran | Satya | Tina Dutta,Nandish Sandhu |  | Colors TV |
| 2012 – 2013 | Kuch Toh Log Kahenge | Dr. Ashutosh(Male Lead) | Kritika Kamra | He replaced Mohnish Bahl. | Sony Entertainment Television India |
| 2012 – present | Shaitaan - A Criminal Mind | Host |  |  | Colors TV |
Question:
which show ran the longest?
Answer:
Saat Phere