1. Dudhsagar Falls is a four-tiered waterfall located on the Mandovi River in the state of Goa, India. The name \"Dudhsagar\" translates to \"Sea of Milk\", referring to the white foamy appearance of the water as it cascades down the rocky cliffs. The falls are surrounded by lush greenery and are a popular tourist attraction in Goa, drawing visitors from all over the world.

2. The falls do not have specific working hours as they are a natural attraction. However, visitors are advised to visit during the daytime for better visibility and safety. There is no official phone number for the falls, but visitors can contact local tour operators or government tourism offices in Goa for more information.

3. There is no entry fee to visit Dudhsagar Falls as it is a natural attraction. Visitors can reach the falls by taking a train to Dudhsagar Railway Station or by hiking through the Bhagwan Mahavir Wildlife Sanctuary. Alternatively, there are also guided tours and jeep safaris available for tourists who prefer a more comfortable mode of transportation. It is recommended to check the current transportation options and regulations before planning a visit.