Diamond Power Infrastructure Limited is an India-based holding company. The Company is engaged in the business of transmission and distribution of power (T&D). It manufactures conductors, cables (low tension (LT), high tension and extra high voltage (HT and EHV)), transformers (power and distribution), transmission towers and also offers engineering, procurement and construction (EPC) services. Its cables product range includes the low-voltage/high-voltage cables from 1.1 kilo volts to 132 kilo volts and the EHV cables from 220 kilo volts to 550 kilo volts. Its conductors' product range consists of 7 strand to 91 strand from 11 kilo volts high-voltage direct current (HVDC) lines. Its transmission and distribution conductors include Aluminum Alloy Conductor Steel Reinforced (AACSR), All Aluminum Conductors (AAC), All Aluminum Alloy Conductors (AAAC), Aluminum Conductor Steel Reinforced (ACSR), Aluminum Conductor Alloy Reinforced (ACAR) and High Conductivity Alloy Conductors AL-59.