According to sources, the CBI are also looking out for places where they suspect the dead body of Bhanwari Devi could be buried.
Meanwhile, the CBI interrogated sacked Water Resources Minister Mahipal Maderna's wife Leela and Malkan Singh Bishnoi, Congress legislator's son on Sunday, Jan 1 in connection with the missing case of Bhanwari Devi.
While Maderna's wife was quizzed for about two hours, Malkan Singh's son was interrogated by the investigative agency late till evening.
Bishna Ram is suspected to have taken charge of disposing the dead body of Bhanwari Devi from Shahabuddin and Sohan Lal on Sep 1, 2011.
A CBI team on Sunday camped at Jaloda village and other places around, in a bid to find possible clues. [Read More: Major events, top news of 2011].