As you asking I am telling BPCL stands for Bharat Petroleum Corporation Limited which an Indian state-controlled oil and gas company founded in the year 1977, and ranked 229th in the Fortune Global rankings for the year 2013. HPCL stands for Hindustan Petroleum Corporation Limited that is also an Indian state-owned oil and natural gas company founded in the year 1974, and ranked 260th in the Fortune Global rankings for the year 2013.

Bharat Petroleum Corporation Limited (BPCL) profile:

Type Public
Traded as BSE: 500547
NSE: BPCL
Industry Oil and gas
Headquarters Mumbai, Maharashtra, India
Key people S. Varadarajan
(Chairman & MD)
Products Petroleum, natural gas, and other petrochemicals
Revenue 240,367 crore (US$36 billion) (2015)
Operating income 9,777 crore (US$1.5 billion) (2015)
Net income 5,082 crore (US$760 million) (2015)
Total assets 44,866 crore (US$6.7 billion) (2015)
Owner Government of India
Number of employees 12,687 (2015)

Hindustan Petroleum Corporation Limited (HPCL) 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)