A total of 20 IPOs, including four mainboard and 16 SME issues, will hit the Indian stock market in the week starting September 29. In the mainboard category, Glottis, Fabtech Technologies, Om Freight Forwarders and Advance Agrolife will launch IPOs to raise over ₹850 crore in total. The SME segment includes firms like Greenleaf Envirotech, Suba Hotels and Shlokka Dyes.