HIL Limited, formerly known as Hyderabad Industries Limited, is an Indian company with business interests in construction materials, machinery, industrial supplies and components; logistics network It is a group company of CK Birla Group. It has multiple brands - Charminar, Charminar Fortune, Birla Aerocon, Birla HIL Pipes Birla HIL Putty and Parador. Amit Kumar is heading the support for HIL. Wikipedia