ATK cancelled two scored in the first half by Bengaluru FC while Kolkata giants Mohun Bagan defeated Churchill Brothers.
Despite losing the top spot to Mumbai, ATK Mohun Bagan will still harbour hopes of salvaging their season with a second successive Hero ISL title.
Bipin Singh's late strike helped Mumbai City FC win their maiden Indian Super League title with a 2-1 victory over ATK Mohun Bagan in the final, in Margao, on Saturday.
The result stretches BFC's winless run to six matches.
Nassiri is son of former East Bengal legend Jamshed Nassiri, who was known for his powerful headers in the '80s.
The result also meant Khalid Jamil is still unbeaten in the competition and extended NorthEast's winning run to ten games.
East Bengal suffered their third defeat in a row to be on eight points from seven matches.
Star-studded Mohun Bagan's I-League-winning players have threatened to approach the All India Football Federation if their dues, withheld owing to the coronavirus pandemic, are not cleared at the earliest. Unable to pay salaries to their players, including foreign recruits, Indian club football heavyweights Mohun Bagan have asked them to wait till the restrictions imposed to tackle the COVID-19 pandemic are lifted.
The league will look to reschedule the fixture to a later date, it said.
The arrival of Quess as sponsors has given East Bengal financial boost while Mohun Bagan are in talks with ATK to collaborate.
I-League set to resume in early March.
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The win ended BFC's five-match winless run as they jumped from 10th to eighth position, three points behind Chennaiyin FC.
This is the first time Mumbai City FC have won the ISL.
Earlier in the 16th minute, Ashutosh Mehta showed excellent skills and tried to create a chance from the right flank. CFC defenders intercepted the attack before he could hand the ball over to Manvir Singh.
The Mariners looked the better side and had the best chance of the first-half in the 40th minute but Williams' powerful left-footer rattled off the upright.
Playing against Mohun Bagan on a slushy and jam-packed Eden Gardens on September 24, 1977 in the twilight of his career, the three-time World Cup winner was overwhelmed by the depth of talent a "little known" Indian club possessed.
Mumbai City FC to make AFC Champions League debut in Riyadh
News of all that transpired on and off the football field.
Hyderabad made a disastrous start to the game as Chinglensana Singh was sent off as early as the fifth minute.
The source also said that there is no plan of immediate suspension of ISL unless drastic escalation in COVID-19 cases happen.
The central midfielder became a vital cog in Juan Ferrando's side in the second half of the last ISL season following a deadline-day switch from ATK Mohun Bagan in the January transfer window.
Krishna gave early warnings after a Kauko through ball sent him clear but the veteran Fiji striker, back in the starting XI after an injury layoff, found the post in his way.
The preliminary and play-off matches will be held in April.
Behind closed doors and with a raft of health safety measures in place, Indian Super League (ISL) will kick off in Bambolin on Friday and become the country's first major tournament to be organised since the enforcement of a COVID-19 lockdown eight months ago.
Indian centre-back Sandesh Jhingan feels he will be "tested to the limit" while enhancing his game outside his comfort zone at Croatian league Prva HNL.
A video uploaded on ATK Mohun Bagan's Instagram page, which has since been deleted, captured the 28-year-old defender as saying, "Aurato ke saath match khel aaya hoon, aurato ke saath" (I have played a match with women, with women), as he made his way back to the dressing room, at Vasco in Goa, on Saturday.
It was a second successive draw by the Csaba Laszlo-led side as they once again squandered plenty of chances to settle in the seventh place with 10 points from eight matches.
The Blues will be back in action on August 18 when they take on ATK Mohun Bagan in their opening group stage clash, at the same venue.
Sandesh Jhingan will become the first India international footballer to play in the Croatian top-tier league Prva HNL after completing a move from ATK Mohun Bagan to HNK Sibenik.
Dhoni started training with his state team Jharkhand from Thursday with an eye on IPL comeback for Chennai Super Kings.
FC Goa's slim chances of making the semis all but went up in smoke as they remained on 18 points from 17 outings.
The result means ATKMB could not break into the top-four, remaining fifth with 20 points from 12 games.
The enormous structured global advertising machinery that surrounds every football game on the planet today? Pele was perhaps single-handedly responsible for all of it. By just being brilliant, captivating crowds, and behaving like a being from the future, doing things that STILL provoke oohs and aahs from watchers. Vaibhav Raghunandan salutes the Incomparable Pele.
ATKMB looked the likelier of the two teams to take the lead in the opening exchanges, with the Mariners needing two goals at least to make a comeback.
Roy Krishna had a couple of half-chances thereafter but good reflexes from Mirshad Michu in NorthEast goal and Krishna's inefficiency to keep the ball on target kept the score to 1-0.
'This is a wonderful opportunity, but there is also a lot of work ahead of us and I am eager to get onto the training ground to start working with the players.'
The Sergio Lobera side now have six points from three matches, while SC East Bengal remained at the bottom of the table, yet to open their account in their debut ISL season.
She claimed that the Centre has not released funds for the Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA) project for the state and other initiatives of its housing and road departments.
According to Jhingan, not being able to play in the ISL or international matches would have been more frustrating for him.