'A linguistic study of Jaunsari' is famous writing of :

Correct option is D

The correct answer is (d) Umadatt Sharma Satish

The book "A Linguistic Study of Jaunsari" is authored by U.S.  Umadatt Sharma Satish. This work provides an in-depth analysis of the Jaunsari language, focusing on its phonology and morphology. 

U.S. Satish has conducted extensive research on the Jaunsari dialect, contributing significantly to the understanding of this language spoken in the Garhwal region of Uttarakhand, India.

Jaunsari language is a Western Pahari language spoken in the Jaunsar-Bawar region of Uttarakhand, India. 

About the Jaunsari Language:

• Classification: Jaunsari is classified under the Western Pahari group of Northern Indo-Aryan languages.

• Region: Predominantly spoken in the Kalsi, Chakrata, and Tyuni sub-districts of Dehradun district in Uttarakhand.

• Speakers: According to the 2011 census, there are approximately 136,779 speakers of Jaunsari.

• Script: Historically, Jaunsari was written in the Sirmauri script, but the Devanagari script is commonly used today. 

Additional Information:

Leeladhar Jagudi: A renowned Hindi poet and journalist, recipient of the Sahitya Akademi Award and Padma Shri.

Shivanand Nautiyal: Noted for contributions to education and social work in Uttarakhand.

Rajendra Dhasmana: An author and critic known for his works on Uttarakhand's culture and literature.