Microsoft launched its Lumia 640 and 640 XL at an affordable price of Rs 11999 and Rs 15799, respectively. The 5-inch Lumia 640 comes with a 2500mAH battery while the 5.5-inch 640 XL has a 3000mAH battery. Both have a 1.2GHz quad-core Snapdragon 400 processor, 1GB RAM, 8GB storage, 128GB expandability and operate on Windows Phone 8.1.