Engineers India Ltd said on Thursday it had filed a draft prospectus with the market regulator to raise up to $270 million through a 10 per cent divestment of the government's holding. About 34 million shares in the engineering and technical services company will be offered for sale,the company said,which would lower the government's stake to about 80 per cent from 90 per cent. ICICI Securities,HSBC Securities,IDFC Capital,and SBI Capital are managing the issue.