Hindustan Petroleum Corporation Limited
 Hindustan Petroleum Corporation Limited |
| Second Floor, North Square Building, Vidyapeeth Rd, Shastri Nagar, Guru Nanak Nagar Colony, Chetganj, Varanasi, Uttar Pradesh 221002, India |
| Hindustan Petroleum Corporation Limited |
| Second Floor, North Square Building, Vidyapeeth Rd, Shastri Nagar, Guru Nanak Nagar Colony, Chetganj, Varanasi, Uttar Pradesh 221002, India |