Khadg Singh Valdiya

Biography A key figure amongst Indian geoscientists and Internationally recognized for his path-breaking work in the fields of Geology and Environmental Science Prof. Valdiya was born to Dev Singh Valdiya and Nanda Valdiya on 20 March 1937 in Myanmar. In 1947 his family returned to their hometown in Pithoragarh in the Indian state of Uttarakhand. Indian Academy of Sciences (FASc), and is a fellow of Geological Society of India, Geological Society of America and Geological Society of Nepal.

Field of specialization Tectonics with special reference to active faults. Environmental Geology with special reference to natural hazards and geo-hydrology of springs.

These include Geology of Kumaon Lesser Himalaya (1980), Aspects of Tectonics: Focus on South-central Asia (1984), Environmental Geology: Indian Context (1987), Dynamic Himalaya (1998), Himalaya: Emergence and Evolution (2001), Kumaun Land and People (2001), Saraswati, the River That Disappeared (2002), The Making of India: Geodynamic Evolution (2010), and Ek Thi Nadi Saraswati (2010, in Hindi)., Geography, Peoples and Geodynamics of India in Puranas and Epics: A Geologist's Interpretations (2012), Prehistoric River Saraswati, Western India: Geological Appraisal and Social Aspects (2018), Neotectonism in the Indian Subcontinent: Landscape Evolution (2017)(Co-authored with Jaishri Sanwal)

His autobiography "पथरीली पगडंडियों पर" was published by PAHAR in 2015.

In 2017, he wrote a biography of famous environmentalist and Chipko leader Padma Vibhushan Sunderlal Bahuguna named ‘हिमालय में महात्मा गांधी के सिपाही सुंदरलाल बहुगुणा’ published by Sasta Sahitya Mandal.