Major Hari Pal Singh Ahluwalia (6 November 1936 – 14 January 2022) was an Indian mountaineer, author, social worker and Indian Ordnance Factories Service (IOFS) officer. During his career he made contributions in the fields of adventure, sports, environment, disability and social work. He is one of six Indian men and the twenty first man in the world to climb Mount Everest. On 29 May 1965, 12 years to the day from the first ascent of Mount Everest, he made the summit with the fourth and final successful attempt of the 1965 Indian Everest Expedition along with H. C. S. Rawat and Phu Dorjee Sherpa. This was the first time three climbers stood on the summit together. Following his advanced training at the Himalayan Mountaineering Institute, Darjeeling, he climbed extensively in Sikkim, Nepal. The 1965 Indian Army expedition was the first successful Indian Expedition to Everest which put 9 mountaineers on top, a record which lasted 17 years, and was led by Captain M S Kohli. He along with Avtar Singh Cheema, Nawang Gombu Sherpa, Sonam Gyatso, Sonam Wangyal, Chandra Prakash Vohra, Ang Kami Sherpa, Harish Chandra Singh Rawat and Phu Dorjee Sherpa summited the peak in 1965 and became the first Indians to successfully climb Mount Everest. During the Indo-Pakistani War of 1965, he suffered a bullet injury to his spine which resulted in his confinement to a wheelchair. He was the Chairman of Indian Spinal Injuries Centre. He has written thirteen books and has also produced an award-winning serial, Beyond Himalaya, which has been telecast all over the world on Discovery and National Geographic channels. Early life Hari Pal Singh Ahluwalia was born on 6 November 1936 and brought up in Shimla along with his two sisters and two younger brothers. His father was employed as a Civil Engineer in the Indian Central Public Works Department. For his academic career he went to St Joseph's Academy, Dehradun and St. George's College, Mussoorie. There, he discovered his interest in photography and rock climbing. Along with graduation, his interest in rock-climbing increased. Some of the places where Ahluwalia did his rock climbing are Garhwal, Sikkim, Nepal, Ladakh, and of course Mount Everest. He graduated with a bachelor's degree in Electrical and Mechanical engineering from the College of Military Engineering, Pune in 1964. Military career After his graduation Ahluwalia joined the Indian Army as an officer, receiving a commission as a