4years used iphone4s can i use in india,my daughter gave me

If the iPhone was locked to a Canadian wireless provider, your daughter

will have to work with that wireless provider to get the iPhone unlocked

before you can use it in India.

Then she wants to do the following steps, slowly and in the order given,

letting each step complete before attempting the next one.before sell/give away iDevice: https://support.apple.com/en-us/HT201351