The correct answer is (a) Dehradun.
The Regional Ayurveda Research Centre (RARC) is a government-funded research institute located in Dehradun, Uttarakhand, India. It was established in 1978 with the objective of conducting research on Ayurveda, the traditional medicine system of India. The RARC has a team of scientists and researchers who are working on various aspects of Ayurveda, including the development of new drugs and therapies, the study of the efficacy of Ayurvedic treatments,
href="https://www.youtube.com/channel/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1" target="_blank" class="youtube-subscribe-button"> Subscribe on YouTube