Arunima Sinha is an Indian mountaineer and motivational speaker known for her remarkable achievements despite facing significant challenges. In 2011, she lost her left leg in a train accident, but she did not let this setback deter her dreams. In 2013, Arunima became the first female amputee to reach the summit of Mount Everest, showcasing her determination and resilience. She has since climbed several other peaks, inspiring many with her story of courage and perseverance in the face of adversity.