Punjab Chief Minister Bhagwant Mann on Monday flagged the issue of the release of pending share of taxes and rural development fund (RDF) before Union Environment Minister Bhupender Yadav here. Addressing a workshop on effective paddy straw management here, Mann underscored the need for the financial sustainability of the states to contribute to the socio-economic growth of the country. The states must be empowered to play a bigger and effective role in the development of the country, an official statement quoted him as saying.