CBI has booked Samandar Singh Rana, the then officiating Custodian of Enemy Property of India (CEPI) at Delhi; Utpal Chakraborty, Assistant Custodian and Ramesh Chandra Tewari, a retired supervisor (both based in Lucknow) under Indian Penal Code sections 120-B (criminal conspiracy), 420 (cheating) and 471 (forgery) and provisions of Prevention of Corruption Act related to bribery, officials said.