Hindustan Petroleum Corporation Limited (HPCL) is a type of public company.
It was formed in the year 1974.
It’s headquarter is located in Mumbai, Maharashtra, India.

Its products are:
Oil,
Natural gas,
Petroleum,
Lubricant,
Petrochemical

As you have asked about the contact information of the HPCL marketing headquarter located in Ballard estate, check below for the details
Marketing Headquarters

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

Contact:

Registered Office & Corporate Headquarters

Hindustan Petroleum Corporation Limited.
Petroleum House,
17, Jamshedji Tata Road,
Mumbai 400020.
Maharastra, India.