iphone 4

I currently have an Iphone 4S purchased from North America. I would like to know about how it can be unlocked and used in India. It is currently Locked with its default carrier i.e. KOODO. And, also I would like to know your suggestions on whether it would be better to jailbreak it or not.

iPhone 4 - Black - 16GB - Factory Unlocked - Scratchless - Capacity - 16 GB - Colour - Black - Sim Card - Micro SIM - iOS Version - 6.1.3 - Condition - 4/5 - The phone is in very good condition as it can be seen from the pictures. The phone has always been used with a screen guard (front and...