Japan-based electronics company Sony on Tuesday launched the Xperia M4 Aqua smartphone in the Indian market at Rs.24,990. The device sports a 5-inch display with HD 1280x720 pixels resolution and has a 13MP rear camera and a 5MP front camera. The phone is powered by 1.5GHz Qualcomm Snapdragon 615 octa-core processor paired with 2GB RAM and 16GB of internal storage.