Thirteen firms including Vikran Engineering, Sambhv Steel Tubes, Vikram Solar & Aditya Infotech submitted their IPO papers with SEBI to collectively raise at least ₹8,000 crore on Monday. Varindera Constructions, Ajax Engineering, Rahee Infratech, Midwest Ltd, Viney Corp, Jaro Institute of Technology Management and Research, All Time Plastics, Scoda Tubes and Dev Accelerator also applied for IPO.