Correct option is D
The correct answer is (d) Lucknow.
In 1907, Mathura Prasad Naithani, along with a few other Garhwalis, founded the 'Garhwal Bhratri Mandal' in Lucknow. This organization played a significant role in uniting the Garhwali community and promoting their cultural and social interests.
Additional Information:
The first session of the Garhwal Bhratri Mandal took place in 1908 at Kotdwar, headed by Kulananda Bahuguna.
In this session, the Garhwal Union and the Hitkarini Sabha merged, strengthening the community's organizational framework.