Grasim Industries Limited | Pulp & Fibre | 148,156 followers on LinkedIn. Birla Cellulose, the pulp and fibre business of the Aditya Birla Group, is a leading sustainability focused Man-Made Cellulosic Fibres (MMCF) producer. Birla Cellulose operates 12 sites for pulp and fibre manufacturing that apply environmentally efficient closed loop technologies including recycle materials and enhanced conservation of natural resources. Birla Cellulose tops the Hot Button Ranking and has been accorded a ‘dark green shirt’ by the Canopy Planet Society.