Thirteen IPOs are set to hit the market this week. SRM Contractors kicks off the mainboard segment from March 26 to 28, aiming to raise Rs 130.2 crore. Meanwhile, in the SME segment, Trust Fintech, Vruddhi Engineering Works, Blue Pebble, Aspire & Innovative Advertising, and GConnect Logitech and Supply Chain will be open for subscription. Notably, Radiowalla Network and TAC Infosec, backed by Ashish Kacholia and Vijay Kedia respectively, will open on March 27 and close on April 2. TAC Security eyes becoming India's first pure-play cyber security company listed on stock exchanges, while Radiowalla aims to raise Rs 14.25 crore.