The central assistance available under JNNURM is a grant fund. The amount of grant is related to the category of city. However, the grant is available only after entire finances for the project are tied up and the contribution of the state and the implementing agency are made available, out of the total grants (State and Centre) released under the Scheme, 25% is the cost of Infrastructure Development & Governance and 10% incase of BSUP has to be collected from the IAs to create Revolving Fund for O & M of assets created and further funding of the Infrastructure Projects.