Rail Vikas Nigam Limited is an Indian public sector enterprise which works as the construction arm of the Ministry of Railways for project implementation and transportation infrastructure development. It was incorporated in 2003 to meet the country's surging infrastructural requirements and to implement projects on a fast-track basis as well as for creating a Railway equipment construction company. RVNL is a Navratna PSU in India under the administrative control of the Ministry of Railways, Government of India. The organization undertakes project execution from concept to commissioning and creates project-specific SPVs. RVNL’s mandate includes the mobilization of extra-budgetary resources through a mix of equity and debts via these SPVs. Wikipedia