Micromax Canvas A1 4 GB Dual Sim @ Rs4799 on Snapdeal.
Link:-
http://www.snapdeal.com/product/micromax-canvas-a1-with-android/866047476

Specification:-

• 1 Year Brand Warranty
• Screen Size (in cm): 11.4 cm (4.5)
• Processor Speed: 1.3 GHz
• Processor Cores: Quad Core
• RAM: 1 GB
• Internal Memory: 4 GB
• Rear Camera: 5 MP
• Front Camera: 2 MP
• Warranty Period: 12 Months Brand Warranty
• SUPC: SDL009233717

Price comparison:-

Amazon:- http://www.amazon.in/Micromax-Canvas-A1-Android-One/dp/B00O2OZF82 -Rs5699

Shopclues:- http://www.shopclues.com/micromax-canvas-a1-aq4501-dual-sim-10.html -Rs4999

Flipkart:- http://www.flipkart.com/micromax-android-one/p/itme26wp7t7ujyxd - Rs5248

Paytm:- https://paytm.com/shop/p/micromax-canvas-a1-with-android-one-white-MOBMICROMAX-CANBANS6250427EE4A01 - Rs5398