Wikipedia:Articles for deletion/ATK–Mohun Bagan
Per all the discussion here, it seems clear to me that the merger in question has not taken place. Articles and previous announcements may say this was going to happen on June 1st but due to ongoing circumstances that came into doubt and nothing further was mentioned. This club, effectively, does not exist ''yet''. Until an announcement or official release is put out, this is a case of 
— NONE, NONE
Stance: delete
Cited policy: WP:TOOSOON (Wikipedia:Too soon)