Section 21(4) in Dakshin Bihar Gramin Bank (Officers and Employees) Service Regulations, 2010
(4)No officer or employee shall, except with the previous sanction of the Competent Authority, publish or cause to be published any book or any similar printed matter of which he is the author or not:Provided that no sanction is required if such broadcast or contribution or publication is of purely literary, artistic, scientific, academic, cultural, educational or social character.
