title: The question of double identity.
authors.affiliation: National Institute of Neurological and Allied Sciences, Basbari, Kathmandu, Nepal. Electronic address: pratyush_shrestha@yahoo.com.
authors.forename: Pratyush
authors.initials: P
authors.lastname: Shrestha
authors.affiliation: National Institute of Neurological and Allied Sciences, Basbari, Kathmandu, Nepal.
authors.forename: Upendra Prasad
authors.initials: UP
authors.lastname: Devkota