CBI quizzes Sanjay Roy, Sandeep Ghosh during polygraph test? LIST OF QUESTIONS ASKED

The Central Bureau of Investigation (CBI) conducted the polygraph test of seven people, including Sandeep Ghosh, related to the Kolkata rape and murder case. There are three types of questions asked in a polygraph test. These include Relevant, Irrelevant and Control Questions. CBI has asked about 20 questions to the main accused Sanjay Roy in the polygraph test.