NEW DELHI: Yoga guru Baba Ramdev in soon to be questioned by the CBI in connection with the mysterious disappearance of Swami Shankar Dev, founder of Haridwar-based Divya Yog Mandir Trust, said sources.

Officials say Ramdev would be questioned in a few weeks as they have collected evidence and questioned others.

"Baba Ramdev's questioning is only left now and it is necessary as well. We have to clarify a lot of things from him since he was trained by Swami Shankar Dev," said a source. A CBI team is already in Haridwar to investigate this case