Dear Manjunath
The cost of construction is based on the plan ,elevation and specification used in the construction of building. cost is also co related with types of foundation. For accurate costing you can e-mail at support@gharexpert.com for detail estimate.See the link below.
http://www.gharexpert.com/Estimator/detailed_cost_estimate.aspx
For ony RCC cost will beRs350-00 per cft cubic feet.