Information

Post in Coimbatore

Post Office

Just northwest of the train station, via a pedestrian underpass from the platforms.
Tourist Information in Kodaikanal (Kodai)

Tourist Office

Doesn't look too promising but it's helpful enough.
ATM in Coimbatore

State Bank of India ATM

One of several ATMs outside the train station.
ATM in Coonoor

State Bank of India ATM

Opposite Sim's Park entrance.
Internet in Coimbatore

Travel Gate

Cramped internet cafe.
ATM in Ooty (Udhagamandalam)

State Bank of India ATM

Near Nilgiri Library.
ATM in Ooty (Udhagamandalam)

Indian Overseas Bank ATM

Near Charing Cross.
ATM in Kodaikanal (Kodai)

HDFC Bank ATM

ATM in Kodaikanal (Kodai)

State Bank of India ATM

ATM in Coimbatore

State Bank of India ATM