Hello
Chenniayin, who have 27 points and have a game remaining, joined Mumbai City FC, Mohun Bagan Super Giant, FC Goa, Odisha FC and Kerlaa Blasters in the playoffs.
East Bengal have 24 points from 21 matches and edged past Chennaiyin FC on goal difference into the sixth spot.
Saul Crespo and Naorem Mahesh Singh scored a brace each for East Bengal who kept their play-off hopes alive.
The Mariners and their imperious frontline put on a full-throttle attacking showpiece in the first half where they hit the back of the net thrice to push the Red & Gold Brigade back early on in the proceedings.
Goa won 1-0 with Sadaoui's 42nd minute goal proving to be the difference.
Odisha won 2-1 at the Kalinga Stadium in Bhubaneswar on Thursday.
East Bengal won 1-0 in the Indian Super League match at the Salt Lake Stadium.
The Frenchman scored from a freekick in added time to win it 2-1 for Jamshedpur.
The Super Giant won 4-0 with four different scorers at the Salt Lake Stadium.
City won 1-0 at the Salt Lake Stadium in Kolkata on Tuesday.