Savdhaan India S03E07 Investigation goes wrong Full Episode

Watch Savdhaan India Season 3 Episode 07. The show was broadcast on the 3rd of August, 2014 on Star Bharat channel. The police arrest Varun for murder on suspicion. They find an additional person with similar name, and discover that he’s framed Varun. Why and how did they know that Varun was framed?