The first Indian pharmaceutical company, Bengal Chemicals and Pharmaceutical Works, which still exists today as one of 5 government-owned drug manufacturers, appeared in Calcutta in 1930. For the next 60 years, most of the drugs in India were imported by multinationals either in fully-formulated or bulk form. The government started to encourage the growth of drug manufacturing by Indian companies in the early 1960s, and with the Patents Act in 1970, enabled the industry to become what it is today. This patent act removed composition patents from food and drugs, and though it kept process patents, these were shortened to a period of five to seven years. The lack of patent protection made the Indian market undesirable to the multinational companies that had dominated the market, and while they streamed out, Indian companies started to take their places. They carved a niche in both the Indian and world markets with their expertise in reverse-engineering new processes for manufacturing drugs at low costs. Although some of the larger companies have taken baby steps towards drug innovation, the industry as a whole has been following this business model until the present.