Indian football league system...

The real table

Level	League(s)/Division(s)
1	I-League 14 clubs – 2 relegations
2	I-League 2nd Division 24 clubs – 2 promotions, 0 relegations (based on 2012)
3	Indian Football State Leagues 29 leagues

Indian Football State Leagues

Andhra Pradesh: This is what I get when I look up Andhra Pradesh Football Association!
Arunachal Pradesh: They dont have a proper league, they do a 1-month tournament.
Assam: Assam State Premier League
Bihar: Bihar State Football Championship. (This is the only source I could find).