Mohinder Singh Pandher and his servant Surendra Koli, suspects in the Noida serial killings, on Wednesday underwent health check-up following forensic tests conducted on them, police said.
Pandher and Koli underwent the check-up by an expert panel at the Directorate of Forensic Science, Gandhinagar, where they were subjected to polygraph test, brain mapping and truth serum test.
The two, brought there on January 5, will be taken back to Delhi later in the day.
Pandher, a diabetic, was subjected to the truth serum test on Tuesday while Koli underwent the test a day earlier.
Though DFS officials expressed satisfaction with the cooperation by the duo during the tests, they did not reveal anything regarding their findings.
The officials said the analysis and report will be submitted to the Noida court.
The Noida police officials, who were present during the tests, also did not disclose anything about the analysis.
They did not say whether either of the accused confessed to the allegations of serial kilings.
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