Tata Investment Corporation is a non-banking financial company promoted by Tata Sons. The company is playing the role of a catalyst in promoting long-term investments in the country. They have also been instrumental in the promotion of projects with new Indian entrepreneurs and foreign collaborators. The company's activities primarily consist of investing in long-term investments in equity shares and other securities of companies in a range of industries. The major sources of income for the company consists of dividend income and profit on sale of investments. The company together with Tata Sons is a promoter of the Tata Mutual Fund. The company is also the principal shareholder of Tata Securities Ltd, a company engaged in the distribution of mutual funds and other investment-related securities. As at March 31, 2008, the book value of the company's portfolio of investments was Rs 8,881.91 million whereas the total of market value of quoted investments and the book value of unquoted investments as at March 31, 2008 was Rs 27,780.30 million. As at March 31, 2008, these investments were spread over 183 companies engaged in various sectors of industry and business. Tata Investment Corporation was incorporated in the year 1937 as The Investment Corporation of India Ltd. The company was formed to work as an Investment Corporation for investments in land acquisition of stocks debentures etc. in India or elsewhere and for business of underwriting of new leave space business and also for taking over the management and control of companies. In the year 1957, The Oriental Government Security Life Assurance Co Ltd was amalgamated with the company with effect from July 1, 1957. In March 1959, the company became one of the few investment companies in India with public shareholding when they listed their equity shares on the BSE. During the period 1950-1960, the company's main activities included promotion of long-term investments as well as to assist in promotion of new ventures by Indian entrepreneurs where the company would hold a minority stake. During the period 1960-1970, the company's activities underwent a gradual transformation, when they primarily began to operate as an investment company with a diversified portfolio of equity investments. In the year 1992, the company became one of the first private sector companies to be a member of the OTC Exchange of India Ltd. The company established Tata Mutual Fund during the same year. In September 18, 1995, the name of the company was changed to Tata Investment Corporation Ltd. In June 24, 1998, the company was listed on the NSE. During the year 2004-05, the company acquired 49.9% shareholding held by TD Waterhouse Group incorporated in Tata TD Waterhouse Securities Pvt Ltd. The balance 50.1% was already held by two other Tata companies. The name of the Tata TD Waterhouse Securities Pvt Ltd has been changed to Tata Securities Pvt Ltd. This company is engaged in distribution of mutual funds and other finance-related products. Tata Sons Ltd acquired 50,00,000 equity shares of the company from Tata Chemicals Ltd and Tata Sons Ltd now holds 54.98% of the paid-up capital of the company. Therefore, the company became a subsidiary of Tata Sons Ltd with effect from February 13, 2008.