SEBI approves IPOs for four companies – Casagrand Premier Builder Limited, Bombay Coated and Special Steels Limited, Bonfiglioli Transmissions Limited, and Swaraj Green Power and Fuel Limited. Casagrand’s issue size is Rs 1,220 crore with fresh issuance and offer for sale, while Bombay Coated and Special Steel’s issue size is Rs 191 crore.