Oil and Natural Gas Corporation Limited (ONGC) is an Indian multinational oil and gas company headquartered in Dehradun, Uttarakhand, India.

As you want here I am giving below Oil and Natural Gas Corporation (ONGC), Amalapuram office contact address on your demand :

Address
Oil and Natural Gas Corporation (ONGC), Amalapuram office
East Godavari, Amalapuram, Andhra Pradesh 533248
Phone: 0883 249 4100

Company profile:
Type Public Sector Undertaking
Traded as NSE: ONGC
BSE: 500312
BSE SENSEX Constituent
CNX Nifty Constituent
Industry Oil and Gas
Founded 14 August 1956
Headquarters Dehradun, Uttarakhand, India
Key people
NC Srivastava
(Chairman) Vivek Bhatia
([MD])
Products Petroleum, natural gas, and other petrochemicals
Revenue 142,148.96 crore (US$22 billion) (2017)
Operating income 29,969.90 crore (US$4.7 billion) (2017)
Profit 20,408.17 crore (US$3.2 billion) (2017)[1]
Total assets 413,904.05 crore (US$65 billion) (2017)
Owner Government Of India ( 68.94%)
Number of employees 33,560+(2017)
Divisions MRPL
ONGC Videsh Ltd
HPCL Ltd