As per me there is one Oil Refinery of Hindustan Petroleum Corporation Limited (HPCL) located in Tondiarpet , here is its address

Address:
Hindustan Petroleum Corporation Limited (HPCL) Tondiarpet,
New no. 10, Old No. 31/19, Kannakar Street, Tondiarpet, Chennai - 600081
Chennai, Tamil Nadu 600081
+(91)-8939700957

Company profile

Type Public

Traded as BSE: 500104, NSE: HINDPETRO

Industry Oil and Gas

Founded 1974

Headquarters Mumbai, Maharashtra India

Key people M K Surana (Chairman & MD)

Products Oil, natural gas, petroleum, lubricant, petrochemical

Revenue 212,300 crore (US$32 billion) (2015)

Operating income 4,697 crore (US$700 million) (2015)

Net income 1,488 crore (US$220 million) (2015)

Total assets 67,550.64 crore (US$10 billion) (2015)

Owner Government of India (51.11%)

Number of employees 11,226 (2012)