Overview
Unnikannan is the first Keralite to successfully climb Mount Everest twice. He is a native of Azhuthan Poyil Veetil from Peringome, a village near to Payyannur in Kannur district of Kerala State, India
Mount Everest missions
2012 Indian Army Women Everest Expedition
The 2012 Indian Army Women Everest Expedition led by Lt. Colonel Ajay Kothiyal recorded a total of 28 persons reach on the summit, 15 of them was Indians and 13 sherpas. Unnikannan was a member of this expedition but did not do the summit bid,
2013 Indo Nepal Joint Army Everest Expedition(First accent)
The 2013 Indo Nepal Joint Army Everest Expedition led by Colonel Ranveer Singh Jamwal recorded a total of 43 persons reach on the summit, 11 of them was Indians and 32 sherpas. As a member of this expedition Unnikannan climbed Mount Everest first time on 20 May 2013 with co-summitters,
From Wikipedia (CC BY-SA 4.0).