Wardha: Massive fire gutted over 7,500 bales of cotton and other material at Gimatex ginning unit at Yerla village near Hinganghat on Nagpur-Hyderabad highway on Sunday. According to sources, fire broke out at around 2.30pm and soon turned into a raging inferno causing extensive damage to material and machinery. Over 7,500 cotton bales, 450 tonne cotton seeds and other machinery totalling to Rs20 crore were gutted in the blaze, say sources in the company. Senior officials of Gimatex Industries from Hinganghat, a team of Wadner police and fire tenders from Wardha, Deoli, Pandharkawada, Wani and Bhugaon rushed to the spot and started fire-fighting operations. Preliminary inquiry suspects that the fire was caused by short-circuit. PSI Pankaj Masram said the blaze could be brought under control after 4 hours. The fire-fighting operations were still on till filing of the report.