As you want to do Online Registration to get Hindustan Petroleum Gas connection, so for the same I am telling process

Go to the Hindustan Petroleum Corporation Limited official site

Over there you need to click on LPG (HP gas) option which given under product&services section on the top

By click there you will land on HP LPG page

On that page you need to click on apply option given in the mid side at the right side

By click on apply option you will land on online registration page which look like given below image


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 212300 crore (US$32 billion) (2015)
Operating income 4697 crore (US$700 million) (2015)
Net income 1488 crore (US$220 million) (2015)
Total assets 46865 crore (US$7.0 billion) (2015)
Owner Government of India (51.11%)
Number of employees 11,226 (2012)