Santosh Yadav was born in the village of Joniyaw as situated in the district Rewari in Haryana state. She studied at Maharani college in Jaipur. At the age of 20 years, she became the youngest woman to climb the Mt Everest. In addition to she was the first woman of the world to climb the Mt Everest successfully from the Kangshung side. She achieved success in climbing the Mt Everest.