The first comprehensive study to estimate the annual generation of e-waste in India and answer the questions above is being undertaken up by the National WEEE Taskforce. So far the preliminary estimates suggest that total WEEE generation in India is approximately 1,46,000 tonnes per year. The top states in order of highest contribution to WEEE include Maharastra, Andhra Pradesh, Tamil Nadu, Uttar Pradesh,West Bengal, Delhi, Karnataka, Gujarat, Madhya Pradesh and Punjab. Thecity wise ranking of largest WEEE generators is Mumbai, Delhi,Bangalore, Chennai, Kolkatta, Ahmedabad, Hyderabad, Pune, Surat andNagpur. An estimated 30,000 computers become obsolete every year from the ITindustry in Bangalore alone. The reason - an extremely high obsolescence rate of 30% per year. Almost 50% of the PC‘s sold in India are products from the secondarymarket and are re-assembled on old components. The remaining market share is covered by multinational manufacturers (30%) and Indian brands (22%) [Source: annual report 2003, MAIT] Three categories of WEEE account for almost 90% of the generation: Large Household appliances:42.1% Information and Communications Technology equipment:33.9% Consumer Electronics:13.7%