Ravi Kumar, 26, was climbing down from the 8,850 meter (29,035 feet) summit and got separated from his guide near a place called Balcony on Saturday, Thupden Sherpa of the Arun Treks and Expedition company that sponsored Kumar's team said in Kathmandu.
Nepal asks climbers to clean quake-littered Everest camp
"Three sherpa rescuers have been sent to search for Kumar," Thupden said, adding the climber had been out of contact.
A tourism department official, Gyanendra Shrestha, confirmed Kumar was out of contact.
On April 30, a famed Swiss climber fell to his death near Mount Everest during preparations to climb the world's highest mountain, while an 85-year-old Nepali man died at the base camp earlier this month while trying to set a record for the oldest climber.
Nepal has cleared 371 mountaineers to climb Mount Everest during the current season ending this month.
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