The massive fire in Mount Abu in Rajasthan has entered its fourth day. The fire began on Friday in the thickly-forested area and the cause has not yet been determined. Nearly, four lakh litres of water have been poured into the hill station and its surrounding areas by the Air Force. Air Force helicopters are busy with "Operation Bambi Bucket" - showering down water on the worst-affected areas. On Sunday, the Army had been roped in to provide assistance incritical areas.