Samsung Galaxy Star Pro Duos On paytm @ Rs. 3567
https://paytm.com/shop/p/samsung-galaxy-star-pro-s7262-midnight-black-cmplxsamsung_galaxystarpros7262_4gb_midnightblack

Use Promo code GET18 and get 18% cashback. (Max 1 order per user)

about product:-
Android v4.1.2 OS
2 MP Primary Camera
4 inch Touchscreen
1 GHz Processor

Price Comparison:-
Ebay @ Rs. 4238
http://www.ebay.in/itm/Samsung-Galaxy-Star-Pro-4-inch-1-GHz-Android-WiFi-2-MP-Primary-Camera-Black-/252013266681?pt=LH_DefaultDomain_203
amazon @ Rs. 4388
http://www.amazon.in/gp/offer-listing/B00G8UGSGG
flipkart @ Rs. 4390
http://www.flipkart.com/samsung-galaxy-star-pro/p/itme92g4cgfxfghq?pid=MOBDXSWUTFY8UHH5
shopclues @ Rs. 4390
http://www.shopclues.com/samsung-galaxy-star-pro-30.html