Since November, Swami Pratibhanand had changed 10 cellphones till the date of shootout on March 26, police said.
Delhi police teams are in Kankhal (Haridwar), Haryana and Indore to keep track of the elusive swami. A total of 20 police teams are on the job, the top official said.
So far, nearly 200 persons have been questioned, and four more people are expected to be arrested once the swami is picked up.