Reserve Bank Governor Raghuram Rajan says, while macro economic parameters have improved, growth is still slow in picking up. Inaugurating the conference of the Chief Secretaries/Finance Secretaries and cooperative secretaries of the states in Mumbai yesterday ,Rajan said participation of state governments is necessary in improving government finances.He said there is a need to make State Level Coordination Committees more active and effective. Rajan also highlighted the need for improvement in governance structure, capitalisation and resolution mechanism in the cooperative banking sector. Rajan said without efficient governance, capital infusion would not benefit the sector.