ARC Insulation shares set for NSE SME debut. GMP signals strong debut by ET Markets | August 29, 2025 8:06 am | Indian Stocks, Market, News ARC Insulation and Insulators is set to debut on the NSE SME platform following a successful IPO that was oversubscribed 18.71 times. The company plans to utilize the Rs 41.19 crore raised for expansion, debt repayment, and working capital.