Thanks to mikefgroves for suggesting about this deal and you need to switch to US address to buy from Amazon US and then simply redeem at Origin account .
Thanks to c0balt & anai for guideline and confirmation on successful activation at Origin account.
It's a digital key sent via email.
Origin keys are region free. If you can purchase and receive a key, then you can activate it and play it.
https://answers.ea.com/t5/EA-General-Questions/Are-Origin-Ke…
https://www.reddit.com/r/origin/comments/60b788/are_origin_g…
If you do not want to go via this method then you can always get it from Origin site directly [PC] The Sims 4 Standard Edition $12.49, Digital Deluxe Edition $14.99 @ Origin
The Sims 4 was pretty fun and had a lot of great additions. I still think Sims 3 was the best in the series.