[13][14][15][16] The club also operated a non-professional football section that participates in regional corporate tournaments, including All-India Public Sector League.

For a company which supports 16 different disciplines of sports around the country, they had after all pumped in the maximum amount of money into the football club's coffers.

It took the club register first win till 9 January 2011 against Viva Kerala at home with David Opara scoring the lone goal for ONGC.

[31] Then on 12 February 2011, ONGC created the biggest shock of the season after defeating East Bengal, who were undefeated before the game, 1–0 with Babatunde scoring in 58th minute at Cooperage Ground.

[35] After a tough 12 matches in Siliguri and Sikkim, ONGC again finished in a promotion spot, 2nd place, and thus qualified for the 2012–13 I-League, which was confirmed on 17 April 2012, after the club drew 1–1 with Aizawl.

On 4 March 2013, it was announced that Muktijoddha Sangsad of Bangladesh would not participate in this tournament and instead current I-League club ONGC would take their place.

[53] In spite of finishing 9th in the 2012–13 I-League table with 36 points, ONGC were excluded from the next season,[54] because they did not meet the AFC's club licensing criteria.

ONGC played all their home matches for National Football League and I-League at the Cooperage Ground,[57][58] which is located at the Nariman Point, Mumbai.

[60][61] During the 2010–11 I-League season, Rajarshi Shahu Stadium in Kolhapur, hosted numerous matches of Mumbai teams due to unavailability of Cooperage Ground.

[117] At the 52nd Open National Athletic Championship held in Chennai in September 2012, the team finished at third position with 6 gold, 3 silver and 10 bronze medals.

[117] In December 2013, the team clinched All India Public Sector Athletics Meet title, which was hosted at the Maharaja College Ground in Kochi.