My site is www.grocare.com for one region and in.grocare.com for another region. Both of them have the same content except the currency for particular regions. Someone told me that google will take the content as duplicate and not rank either. I have setup hreflang and targeted different regions for both in the search console. I read many article which say canonical urls need to be setup for international seo sites. But Im not sure how to setup canonical urls and whether they are the right way to go . i just don't want my content deranked.

Now i have setup hreflang properly after asking the moz community itself. So im hoping to get some help with this query too. TIA