Sony Xperia Z2 for Rs.22100 from Paytm.com
https://paytm.com/shop/p/sony-xperia-z2-white-MOBSONY-XPERIA-RAMB74059C173572F

Use Promo code GET15 and get 15% cashback. (Max 1 order per user). COD option will not be available on applying this Promo Code

Price Comparison:
Flipkart for Rs.26685
http://www.flipkart.com/sony-xperia-z2/p/itme7ydyyrk7xq9f?pid=MOBDVW6S839SFYDD

Snapdeal for Rs.27150
http://www.snapdeal.com/product/sony-xperia-z2-purple/447587511