title: Response to the letter to the editor.
authors: Department of Neurology, Nizam's Institute of Medical Sciences, Hyderabad, Telangana, India.
authors: S A
authors: SA
authors: Jabeen
authors: Department of Neurology, Nizam's Institute of Medical Sciences, Hyderabad, Telangana, India.
authors: G
authors: G
authors: Sandeep
authors: Department of Neurology, Nizam's Institute of Medical Sciences, Hyderabad, Telangana, India.
authors: Rukmini
authors: R
authors: Mridula
authors: Department of Neurology, Nizam's Institute of Medical Sciences, Hyderabad, Telangana, India.
authors: A K
authors: AK
authors: Meena
authors: Department of Neurology, Nizam's Institute of Medical Sciences, Hyderabad, Telangana, India.
authors: Rupam
authors: R
authors: Borgohain