Celkon Win 400 With Quad-Core Snapdragon 200 Processor And Windows Phone 8.1 Launched For Rs. 4,979, Touted As Affordable Windows Phone Celkon Mobiles had launched the company's first Windows Phone 8.1 smartphone - Celkon Win 400 in India at a price tag of Rs. …Celkon Win 400 With Quad-Core Snapdragon 200 Processor And Windows Phone 8.1 Launched For Rs. 4,979, Touted As Affordable Windows PhoneRead More