The Oppo A57 was announced back in November last year and was initially only available in China. That has just changed though as it went on sale in India today. . The handset costs INR 14,990 ($220) and it is available through both online and offline channels. Online retailers that will be carrying the phone include Amazon, Flipkart, and Snapdeal. Color options that'll be available in India at launch currently only include Gold. Via | Flipkart
Source: http://www.gsmarena.com/selfiefocused_oppo_a57_to_be_up_for_grabs_in_india_starting_today-news-23171.php
