Xiaomi is partnering with Flipkart to launch the Redmi 3s in India. The phone is split in two versions: 3s and 3s Prime. Note that this has nothing to do with the Redmi 3 Pro and even the 3s isn't quite the same. The Xiaomi Redmi 3s Prime is identical to the international Redmi 3s - it's the variant with 3GB of RAM and 32GB of storage, specifically. It has a fingerprint reader on the back and a Snapdragon 430 chipset. The Silver color option is exclusive to this variant. The Indian Redmi 3s lacks a fingerprint reader and has 2GB of RAM and 16GB storage. It still has a Snapdragon 430...
Source: http://www.gsmarena.com/xiaomi_redmi_3s_launching_in_india_next_tuesday_august_9-news-19754.php