Hey!!! As you know Oil and Natural Gas Corporation is top Oil and Natural Gas Company of India which have many Nodal Offices in India

As you demanded for Office Address of Goa so here I am providing you that:
ONGC Ltd.,
P.O. via Velim, Betul, South Goa 403723
(0832)-2677017

Other Nodal Offices of ONGC are at:

ONGC Ltd.,
Tripura Asset
BADHARGHAT COMPLEX, AGARTALA - 799014. TRIPURA

ONGC Ltd.,
Ahmedabad Asset
Avani Bhavan, Chandkheda, Ahmedabad-380005

ONGC Ltd.,
Ankleshwar Asset
Ankleshwar Asset, Ankleshwar-393010, Distt: Bharuch, Gujarat

ONGC Ltd.,
CBM Development Project
First Floor HSCL Building, Bokaro Steel City, Bokaro-827001

ONGC Ltd.,
Cambay Sub Asset
ONGC, Post Kansari, Khambhat - 388630, Distt. Anand, Gujarat

ONGC Ltd.,
CMDA Tower I, No. 1 Gandhi Irwin Road, Egmore, Chennai-600008

ONGC Ltd.,
Green Building, 1st floor, Tel Bhavan,Dehradun 248003.

ONGC Ltd.,
10th Floor, Kailash Building, 26, Kasturba Gandhi Marg, NewDelhi - 110001

ONGC Ltd.,
Hazira Plant, PO ONGC Nagar, Surat-394518

ONGC Ltd.,
Rajasthan Forward Base
KDM Complex, Mandore Road, Jodhpur-342 026

ONGC Ltd.,
Assam & Assam Arakan Basin
Luit Bhawan, ONGC, Cinnamara Complex, P O : Cinnamara, Dist: Jorhat , Assam, PIN: 785704

ONGC Ltd.,
Cauvery Asset
Neravy Office Complex, Neravy (PO), Karaikal - 609 604, Pondicherry U/T

ONGC Ltd.,
41 Jawaharlal Nehru Road, 2nd floor, Kolkata 700071

ONGC Ltd.,
Mehsana Asset
KDM Bhavan, ONGC, Mehsana Asset, Palavasana, Mehsana-384003

ONGCLtd.,
Vasundhara Bhavan, 1st floor, RooM No. 114,Bandra(E), Mumbai-400017

ONGC Ltd.,
Assam Asset
Nazira, District-Sivasagar, Pin-785685, Assam

ONGC Ltd.,
Rajahmundry Asset
ONGC, Godavari Bhavan, Base Complex, Rajahmundry-533 106,East Godavari District (A.P.)

ONGC Ltd.,
CacharForward Base,A&AABasin,Srikona, Silchar - 7880826

ONGC Ltd.,
MR, Uran Plant, Uran 400702 Maharashtra

ONGC Ltd.,
Western Onshore Basin
ONGC, Makarpura Road, Vadodara – 390009