Sanjeev Khanna, the second husband of Indrani Mukerjea, the prime accused in the Sheena Bora murder case, on Friday was sent to police custody till August 31.
Police, who is seeking Khanna's custody for maximum available period, wants to take him to the spot where incident took place.
Police have recovered two visas of Norway and Ireland from Khanna.
They want to confront him with the other accused in the murder case.