The Core Duo iMac will work perfectly on that power in India (assuming you are going to an area where the power is stable.) So yes, you just need the correct adapter so you can plug your standard North American plug into that to fit their particular socket.
From:
http://support.apple.com/specs/imac/iMacEarly2006.html
Electrical and environmental requirements
Meets ENERGY STAR requirements
Line voltage: 100-240V AC
Frequency: 50Hz to 60Hz, single phase