Cable Corporation of India Ltd manufactures Polyvinyl Chloride-PVC Cables. Cable Corporation of India Ltd is an ISO 9001 certified organization. The Polyvinyl Chloride-PVC Cables under the trade name Tropodur is made of insulating and sheathing compound that ensures tropical durability. The Polyvinyl Chloride-PVC Cables are manufactured according to IS: 1554 [Part I] 1988 up to 1100 V grade: 3.3 kV to 11 kV cables according to IS: 1554 [Part 2] 1988. All TROPODUR Cables have the ISI Certification mark.