We are extremely sorry to inform you that we do not ship the products outside India. Further, we also suggest you buy it from Singapore only so that you can get the warranty for the product. Only Apple iPhone X comes with the international warranty.
Yes, Apple iPhone 8 does have the VoLTE support.
Though Apple never mentions the battery capacity of their phone on their website this is what we have found during our battery tests of iPhone 7 Vs iPhone 8.
iPhone 7 has 1960 mAh Li-Ion battery while iPhone 8 has 1821 mAh Li-Ion battery. But thanks to the latest iOS 11 and the new Bionic chip support, iPhone 8 battery lasts longer.
Apart from the battery capacity difference, iPhone 8 also has wireless charging functionality and quick charging which are missing in iPhone 7.
Yes, iPhone 8 does support fast charging.
No longer the gold standard, the iPhone 8 is still all the phone you need.