5 I guess. ISL at least announced that. Foreign subs? What sort of a question is this? At any time in playing XI maximum 5 foreigners. But I think keeping in mind AFC's 3+1 rule, clubs will sign at least 1 good Asian foreigner if not more. Else they will be in trouble for AFC matches.
There was no official announcement I think from ISL but 5 foreigners in playing XI and only group stage (no play offs), marquee not mandatory these are confirmed decisions
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but 5 foreigners in playing XI and only group stage (no play offs), marquee not mandatory these are confirmed decisions