Correct option is D
- Memoir of Dehradun' book is written by G. R. C. Williams.
- It provides a detailed account of the history, geography, and socio-cultural aspects of Dehradun during colonial times. This book is a critical resource for understanding the transformation of the Dehradun region under British administration..
Additional Information:
- E. Sermon Oklaehas writtenA Himalayan Folklore.
- H. G. Waltonhas written booksAlmora, Dehradun and The Gazetteer of Garhwal Himalaya.
- E.T. Atkinsonhas written The Himalayan Gazetteer and Religion in the Himalayas.