As you said to get job in Oil and Natural Gas Corporation Limited (ONGC) for Assistant Rigman post given recruitment exam and here looking for result, so on your demand here I am telling process to check result :

Go to the Oil and Natural Gas Corporation Limited (ONGC) official website

Click on result option given under career section on the top

By click there you will land on result page which look like given below image



From where you can get desire result , I have also provided same result here :

Oil and Natural Gas Corporation Limited (ONGC) Assistant Rigman exam result 2016






as on 22.7.2016 following exam result avail there :

Result of recruitment for Assistant Legal Advisor in ONGC Advt.No.2/2016 (R&P)
13 July 2016
Results of Interviews held for CHENNAI Posts from 02nd March to 30th March 2016 at Chennai, for Advt. No. SS/CHN/1/2015.
18 May 2016
Results of Interviews held for Karaikal Posts from 02nd March to 30th March 2016, for Advt. No. SS/KKL/2/2015
17 May 2016
Result of personal interview for Western sector, Gujarat and Rajasthan [ Refer advt. No. 03/2015(R&P) & 03(a)/2015 (R&P) ]
14 May 2016
Result of Recruitment Advt. No. 02/2015 of Eastern Sector-Assam
12 May 2016
Notice on results of personal interview for Class-III & IV posts for Hazira Plant
06 April 2016
Result of personal interviews held in March & April, 2015 for recruitment of Class III & IV posts for Hazira Plant against Advertisement no. 01/2014
17 March 2016
Western Sector Written Examination Result for Gujarat and Rajasthan Against Advt.No.03/2015(R&P) and No/03(A)/2015.Download Interview Call Letter
16 February 2016
Written Test Result of Assam (02/2015). Download Call Letter for Interview
04 January 2016
Final Result after Interview for Recruitment to various posts of Delhi & Dehradun, Advt No 5/2015 (R&P)(For Dehradun & Delhi)
17 December 2015
Result for the posts of Official Language Officer in ONGC against Advt.4/2015(R&P)
01 December 2015
Result of the Written test for Recruitment for Delhi & Dehradun, Advt No 5/2015 (R&P)(For Dehradun & Delhi)
30 October 2015
Results- Recruitment of Graduate Trainees in ONGC against Advt.3/2015(R&P) and Advt.5/2014(R&P)
30 September 2015
Phase-I:Result-Recruitment of Graduate Trainees in ONGC against Advt.3/2015(R&P) and Advt.5/2014(R&P)
24 September 2015
Result for the posts of Assistant Legal Advisor in ONGC against Advt.2/2015
10 September 2015