Section 4(4) in West Bengal Municipal (Employees' Service) Rules, 2010
(4)"clerical staff" means those employees in Category 'B' and Category 'C' services as defined in the West Bengal Municipal Employees' (Classification, Control, Appeal & Conduct) Rules, 2008, and posts whose duties are entirely clerical in nature and includes any other class of employees specially defined as such by order of the State Government;
