Advanced Sys-Tek Ltd has sought Sebi's approval for an IPO to raise Rs 115 crore and an OFS of 15.27 lakh shares by promoters Mukesh R Kapadia and Umed Amarchand Fifadra. The funds will support capital expenditure, long-term working capital, and general corporate purposes. Specializing in industrial automation, the company has completed over 200 installations globally.