The week starting March 2 will see the launch of three IPOs and listings by nine companies. In the mainboard segment, Sedemac Mechatronics will launch its ₹1,087.5 crore IPO, which is entirely an offer-for-sale of 80 lakh shares. The SME segment will see IPOs by Elfin Agro India and Srinibas Pradhan Constructions Ltd.