New Delhi: State-owned Power Grid Corp on Wednesday said it has started commercial operations of 1,500 MW second pole of Champa-Kurukshetra high voltage direct current line, which will improve power supplies to northern India. "Pole II of the 800kV Champa-Kurukshetra HVDC Terminal along with associated bays under 'WR-NR' HVDC Interconnector for IPPs (independent power producers) projects in Chhattisgarh has been put under commercial operation," Power Grid Corp said. Punjab, Haryana, Uttar Pradesh, Rajasthan and adjoining areas would benefit from operationalisation of the second pole of the HVDC power transmission link.