Get ready for a busy IPO week as five companies prepare to raise over Rs 10,000 crore. From edtech giant PhysicsWallah to automotive component maker Tenneco Clean Air India and solar firm Emmvee Photovoltaic Power, the mainboard sees significant action. Two smaller firms, Mahamaya Lifesciences and Workmates Core2Cloud Solution, will also launch on the SME platform, testing market appetite.