Shitalakshya River ( pronounced: Shitalokkha Nodi) (also known as Lakhya River) is a distributary of the Brahmaputra. In its initial stages it flows in a southwest direction and then east of the city of Narayanganj in central Bangladesh until it merges with the Dhaleswari near Kalagachhiya. A portion of its upper course is known as Banar River. The river is about long and at it widest, near Narayanganj, it is across. Its flow, measured at Demra, has reached . It remains navigable year round. The river flows through Gazipur district forming its border with Narsingdi for some distance and then through Narayanganj District.