Robert Vadra left from Enforcement Directorate (ED) office in Jaipur on Tuesday. Vadra and his mother Maureen were questioned in connection with Bikaner land case probe. While briefing the media on the case, lawyer of Robert Vadra, SJ Khaitan said, "Today, he was questioned for about 8-9 hours. Investigation will continue tomorrow, he has to appear before ED at 10:30 am. His mother's investigation has been concluded".