Useful links for Indian restaurants, grocery stores and temples in the region:

Restaurants  / Grocery Stores:-
Kartar Foods, Benton Harbor, Michigan
The Indian Garden (Restaurant and Grocery) South Bend, Indiana
Indian Grocery store, Kalamazoo, Michigan
Patel Stores, Chicago, Illinois
Taste of India, Merrillville, Indiana
Saffron Indian restaurant, Kalamazoo, Michigan

Temple / Gurdwara / Masjid / Church
Hindu temple, South bend, Indiana
Indo American Cultural Center & Temple, Kalamazoo, Michigan
Balaji Temple, Aurora, Illinois
Swanirayan Temple, Bartlett, Illinois
Gurdwara (Sikh Temple), Benton Harbor, Michigan
Masjid : Islamic Association of Southwest Michigan