Registration data are the outcome of legal requirements of the submission of final accounts and reports to the registrar of companies and to the ministry concerned for securing licenses and other requirements. This data are complied and tabulated by the ministry and are publicity available. Data pertaining to trade industry and business are available from the ministry of commerce. Similarly the ministry of transport and communication provides data pertaining to transport and communication. The ministry of railways publishes monthly journals and reports which are based on the data available within the railway and adjoining environments similarly almost all the ministries or the government of India as well as the reserve Bank of India have been publishing comprehensive and suitable data and information pertaining to different fields to the economy.