Abstract— Indian construction industry has played a vital role in the process of economic transformation and furtherance for over five decades and is the primary input for the socio-economic development of the country. Increasing complexity in design and involvement of numerous stakeholders in modern construction projects are huge challenge for both clients and contractors to meet criterion of skills and capabilities required to successfully deliver a project at bidding stage. Implementation of HAM (Hybrid- Annuity Model) to revive investments in road infrastructure projects, HAM has seen good initial success. About 30 highway projects have been awarded under HAM by the National Authority of India (NHAI) at a total cost of about 28,000crore. Half the projects awarded in HAM. This paper summaries the key changes and features which are brought under the new arrangement and provides a comparison with pat models.
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