The Asus Zenfone 2
5.5 inch display (1080P, Corning Gorilla Glass 3)
2.3GHz Quad Core 64 bit Intel processor
4GB/2GB of RAM
16GB/32GB/64GB, Micro SD card support
13-megapixel camera, 5-megapixel secondary
3000 mAh battery.
is available to preorder on the AliExpress website (retail website of Alibaba). There are two variants available on the site The 2GB RAM version is priced $299.90 (The expected price was $199) and 4GB RAM variant is $439.90. The site offers international shipping. To India it is $26.32 via Fedex IE.
The seller says the product will be shipped with in 60 days.
Regarding the AliExpress I have ordered few products some two months back, I have received some of the products and for which I have not received got the money back. So the website is reliable but the seller may not 
If you are still interested in preorder the Asus Zenfone 2 here is the link
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