Airport revamp on new courseBipin Chandran / New Delhi February 09, 2006DMRC model mooted for Kolkata, Chennai.The government is considering setting up a special purpose vehicle (SPV) on the lines of the Delhi Metro Rail Corporation to develop the Chennai and Kolkota airports. This is a part of the roadmap for future modernisation of airports that the government is working on.In the case of other 35 airports on the modernisation list, the government will follow a public-private partnership (PPP) model.