Neilsoft, a technology-driven engineering services and solutions company, has filed draft papers with capital markets regulator Sebi to raise funds through an initial public offering (IPO). The Pune-headquartered company's IPO is a combination of a fresh issue of shares worth Rs 100 crore and an offer for sale (OFS) of 80 lakh shares by promoters and other selling shareholders, according to the draft red herring prospectus (DRHP) filed on Thursday. Those selling shares in the OFS include Small Industries Development Bank of India and SICOM Ltd. Proceeds from the fresh issue to the extent of Rs 69.63 crore will be used for funding of capital expenditure. Besides, a portion will be utilised for general corporate purposes. Founded in 1991, Neilsoft provides customised engineering services, including AEC design solutions, industrial plant design, and manufacturing equipment and production line design. It also offers Engineering Process Outsourcing (EPO) services and develops tailored .