As per your concern I will get the marketing head office of Hindustan Petroleum Corporation Limited along with details of company.

The Hindustan Petroleum Corporation Limited is an Indian state-owned oil and natural gas company which has about 25% marketing share in India among PSUs and a strong marketing infrastructure.

Here is the address
Hindustan Petroleum Corporation Limited.
Hindustan Bhawan,
8, Shoorji Vallabhdas Marg,
Ballard Estate,
Mumbai 400001.
Maharastra, India.

Products
Petrol

Diesel

Lubricants

Liquified petroleum gas

Aviation turbine fuel

Refineries
Mumbai Refinery — 6.5 million metric tonnes (MMT) capacity

Visakhapatnam Refinery — 8.3 MMT at Visakhapatnam

Mangalore Refinery Pvt. Ltd. — 9.69 MMT at Mangalore, Karnataka (HPCL has a 16.65% stake).

Guru Gobind Singh Refinery — 9 MMT at Bathinda, Punjab (HPCL and Mittal Energy each have a 49% stake).

Barmer Refinery — 9 MMT capacity. It is a joint venture with the Rajasthan Government.

Address:-
Hindustan Petroleum Corporation Limited
Petroleum House, 17,
Jamshedji Tata Road,
Mumbai 400020