GUWAHATI: Union Minister for Water Resources Pawan Kumar Bansal on Wednesday said though the Central Government has no role to play in water related issues concerning the states as water is a state subject, it has been acting as a catalyst in ironing out the differences.

Attending the sixth High Powered Review Board Meeting of Brahmaputra Board here, Bansal called for a holistic approach towards integrated development of water resources and management of ground water systems.