IFGL Refractories (NSE:IFGLEXPOR, BOM:540774) transferred 48,567 fully paid-up equity shares of 403 shareholders to the Investor Education and Protection Fund (IEPF) Authority's demat account on Feb. 19, according to a same-day Indian bourse disclosure.

The shares belonged to investors who had not claimed dividends for seven consecutive years since FY17, the filing said.