General Instruments Since 1966. General Instruments Consortium (GIC) an Official Website, Awarded by EEPC is a Government Approved Pressure Gauge, Temperature Gauge, Level Gauge Manufacturers, Suppliers & Exporter based in Mumbai, India. At General Instrument – Our business model is tailored to supply high quality standardized as well as customized products uniquely designed to meet the critical applications in onshore and offshore oil and gas industry, petrochemicals, refineries as well as Fertilizers, Chemicals, Pharmaceuticals, Cement, Paper, Power and Energy, defense and other process industries.