Narayan Sarovar is one of the 5 holy lakes of Hinduism, collectively referred to as the Panch-Sarovar... Some accounts suggest that it was discovered by Alexander the Great and lasted till the change of the course of the Indus River... Nakki Lake is a lake nestled in the hill station of Mount Abu in the Aravalli Range of the Sirohi District of Rajasthan... According to one story, the lake was dug by Gods to live in, to protect themselves against the evil demon Bashkali... Prashar Lake...lies 49 kilometers north of Mandi in Himachal Pradesh... Bhima, the strongest of the brothers, rammed his elbow into one of the mountains and thus, created a big dent in the land. He fractured his elbow in the process, but the dent eventually became the Prashar Lake...