Adam Le Fondre smashed in a 75th-minute winner after Hernan Santana (45th) had cancelled Jakub Sylvestr's first goal.
Manchester City CEO Ferran Soriano said the group had been looking for years at soccer in India and the Indian Super League (ISL), which is currently in its sixth season.
Adam Le Fondre put Sergio Lobera's men further ahead in the 59th minute as Hyderabad tasted their first defeat of the season.
Chennaiyin were off to a good start, but in no time Mumbai were back to doing what they do best, keep the ball and dictate the tempo of the game.
Despite Mohun Bagan's late penalty shout for handball and captain Subhasish Bose receiving a yellow card, Mumbai City's comeback was complete with a dramatic draw.
Images from Indian Super League matches played on Saturday.
Twelve Indian Super League clubs have accused the All India Football Federation of retaining a surplus from the current season, despite promising not to profit from the league.
Mumbai City FC cruised to a second consecutive victory with a 5-0 win over Jamshedpur FC in a Group B fixture of the Durand Cup in Kolkata on Tuesday.
Despite keeping 65.2 per cent of the possession, Mumbai City FC could take only three shots on target, as compared to seven by the visitors.
Hugo Boumous' brilliance inspired Odisha FC to sustain top-6 hopes with a 3-1 comeback win against Hyderabad FC in their Indian Super League match here on Friday.
Mumbai City FC's marquee signing Diego Forlan showed glimpses of yore as they tasted a rare away win after putting it across FC Pune City 1-0 in their opening match of the Hero Indian Super League at Balewadi Stadium in Pune on Monday.
While the Red & Golds secured their fourth win in their last five matches in the competition, Jamshedpur FC, on the other hand, were inefficient in creating and finishing chances.
Defensive mistakes cost Bengaluru dear and helped Mumbai's cause
Arsenal legend Freddie Ljungberg and Spanish World Cupper Luis Garcia will be the centre of attention when Mumbai City FC kick off the inaugural Indian Super League football tournament on October 12 at Atletico de Kolkata, in a tournament that will feature 61 games spread across 70 days.
And in a once-in-a-lifetime moment, the finalists got to race and dream in front of the eight-time Olympic champion himself.
Bagan adopted a completely different approach from the first leg. They had 16 shots in the first half but just three on target. It took them just three minutes to sound a warning.
A late goal from Amine Chermiti saw Mumbai City FC stun Kerala Blasters FC 1-0 in a closely-fought Hero Indian Super League clash at the Jawaharlal Nehru Stadium, in Kochi, on Thursday.
Canadian striker Ian Hume made light of a bandaged head to score a fine hat-trick and help defending champions Atletico de Kolkata drub Mumbai City FC 4-1 in a fast-paced Indian Super League football match at the D Y Patil Stadium, in Mumbai, on Sunday.
Neymar's involvement in matches on Indian turf is eagerly anticipated, though exact dates remain pending the final match schedule release.
Inter Kashi knock Bengaluru FC out of Kalinga Super Cup with penalty shoot-out win
Substitute Jordan Murray struck in stoppage time as Jamshedpur FC rallied to prevail over FC Goa 2-1 in their Indian Super League match in Margao on Tuesday.
AIFF waiting for AFC response over continental slots for ISL clubs in case of fewer matches
FC Goa secured a 2-1 victory over Odisha FC in the Indian Super League, climbing to second place in the standings.
Mumbai City FC beat FC Goa 6-5 penalties to reach the ISL final
Pranjal Bhumij scored a stoppage time goal to help Mumbai City FC hold hosts Kerala Blasters to a 1-1 draw in the Hero Indian Super League (ISL), in Kochi, on Friday.
The semi-finals will be played in a home and away format with the winners over the two legs playing the final on April 12 at the home of the higher-ranked team in the league table.
Bengaluru FC held Mumbai City FC to a goalless draw to continue their unbeaten run and hold on to the top spot in their Indian Super League (ISL) 2024-25 in Mumbai on Wednesday.
Hyderabad FC secured a 2-1 win in the reverse fixture on November 7, 2024, and will be eager to complete their first-ever league double over Kerala Blasters FC.
Iain Hume struck twice as former champions Atletico de Kolkata rallied to edge past Mumbai City FC 3-2 in the first leg of the Indian Super League semi-finals, in Kolkata on Saturday.
If all goes well, the new season of ISL may start in the first week of February.
I-League: Rajasthan United beat Namdhari 3-1 with comeback win; Dempo overcome Lajong
Mumbai City FC defeated NorthEast United FC by a 1-0 margin to go atop the table in their ISL match in Guwahati on Saturday.
Lucimar Ferreira da Silva, popularly known as Lucio, has signed up with FC Goa as a marquee player for the second season of the Indian Super League.
Meanwhile, Amrinder Singh became the third goalkeeper to clock 50 clean sheets in ISL after Vishal Kaith and Gurpreet Singh Sandhu.
East Bengal maintained their newfound form with a 3-1 thumping of Punjab FC in their Indian Super League (ISL) match.
FC Goa missed the chance to enter the second leg of their Indian Super League (ISL) semi-finals with an advantage as they squandered a lead twice in their 2-2 draw against Mumbai City FC
Bengaluru FC go down 0-4 against Mumbai City FC
Current situation risks rendering ongoing operations untenable: ISL clubs to AIFF
AIFF top brass to meet eight ISL club CEOs on Aug 7 to discuss their concerns
A brilliant brace from Alaaeddine Ajaraie and a goal by Guillermo Fernandez off the bench saw NorthEast United FC prevail over Odisha FC 3-2 in a thrilling Indian Super League match in Guwahati on Sunday.
