NEW DELHI (Reuters) - Hindustan Petroleum Corp Ltd
"It is a minor repair work which will last for about 30 days," the source, who is not authorised to speak to media told reporters.
HPCL operates a 166,000 bpd Vizag refinery in southern India. The refinery has three crude units.
(Reporting by Nidhi Verma; Editing by Jo Winterbottom)