BIKANER, Nov. 12 -- A 14-year-old girl, along with her two brothers and a cousin, drowned in a water tank built in an agricultural field in Bikaner district on Wednesday afternoon, police said. The incident took place around 12.15 pm in Chak 9 AWM, under the jurisdiction of Chhatargarh police station. The deceased were living in a hamlet near the water tank. Around noon, Pooja (14) went to the tank to fetch water for daily household chores. While drawing water, she slipped and fell into the tank. According to Khajuwala circle officer Vijaypal Yadav, Pooja's two brothers, Mukesh (18) and Manoj (16), entered the tank to rescue her. They could not swim. Their cousin, Nirmal Nayak (21), also entered the tank in an attempt to save them. However, he too failed to rescue them, and all four drowned one after another. The dead have been identified as Mukesh and Manoj, sons of Ramesh Kumar Nayak; their sister Pooja; and Nirmal, son of Kalu Ram Nayak. Police said the four bodies were taken out of the tank and kept in the mortuary of the Community Health Centre (CHC) in Chhatargarh....