Conversation so far:
What are some of the patriotic activitiesBrahmabandhav Upadhyay is involved in?
Bhavani Charan became inclined towards the Indian nationalist movement for freedom, and during his college education, he plunged into the freedom movement. Brahmabandhab Upadhyay acted as editor of Sandhya.

Question: What significant contribution did he make?
Self-contained rewrite: What significant contribution did Brahmabandhav Upadhyay make?