Seven companies will launch their IPOs in the week starting March 23, aiming to raise over ₹2,000 crore collectively. The mainboard IPOs include Powerica, Amir Chand Jagdish Kumar Exports and Sai Parenteral, which will open for subscription on March 24. SME firms Tipco Engineering, Highness Microelectronics, Vivid Electromech and Emiac Technologies will also launch their IPOs this week.