THE ALL INDIA FOOTBALL FEDERATION (AIFF) is waiting for a response from Kerala Blasters before its Player Status Committee can decide on the fate of Subha Ghosh.
ATK Mohun Bagan claim the striker was part of a swap deal for Nongdamba Naorem.
During Mr Naorem’s medical he was found to have had an ACL tear, meaning the transfer was cancelled on New Years’ Eve.
An official told the Times of India: “As per AIFF’s regulations, if a club rejects the transfer, then the secretariat does not have the power to override it.
“It’s a dispute right now, and all disputes need to go to the player status committee.”
According to the newspaper, Mr Ghosh was released by ATK but cannot join Kerala.
He has been training with the Blasters for three weeks and is thought to have impressed coaches.
The committee will decided whether ATK need to honour the agreement for Mr Naorem, who has been ruled out for the rest of the season.
Mr Ghosh is a Kolkata native who came through from the academy, he scored three goals in eight games as the team won the I-League last year.
Mr Naorem, an India youth international, began is career at Minerva Punjab before joining the Blasters.
He spent time on loan at Mohun Bagan season.
At the time of writing ATK are second in the Indian Super League, five points behind leaders Mumbai City.
Kerala Blasters are in ninth position, six points clear of Odisha in bottom and four points short of Hyderabad in the play-off places.