Trade Associations: Trade associations may be an excellent source of data pertaining to an industry. The trade association of one industry may exchange data with the trade association of another industry and within one industry a firm may exchange data with another firm with the help of trade association of the industry.
Government Departments : Different government departments have different data which are not available in libraries. But these are very useful for understanding various aspects of the economy. The researchers can utilize them for the purposes of their researchers. Information and data pertaining to agriculture industry trade transport banking and finance can be obtained from the respective ministries of the government of India.
Private Sources: Private sources include varied sources available in the form of books monographs bulletins journals commercial reports and so on. They are priced and publicly circulated. Some of the sources include extensive original research and some summarize the research findings of other person. Many of them are statements of facts and opinions. The all India management association the India marketing association commerce ltd, capital the economic times and financial express etc, are important private instructions which supply suitable information and data to the public in the form of journals books and newspapers.