http://www.amazon.in/gp/offer-listing/B01G3J6NSO/

4.5 HD IPS Display 16GB ROM + 128GB Expandable + OTG Support upto 128GB Quad Core 1.3 Ghz Processor 5MP Rear With Flash + 2MP Selfie Camera

at Flipkart : http://www.flipkart.com/vivo-y21/p/itmegz48phqmnwd4?pid=MOBEGZ48WZBZNZCZ
at Snapdeal http://www.snapdeal.com/product/vivo-y21-16gb-white-/675981798478#bcrumbSearch:vivo%20y21