Correct option is C
Professor G. D. Agrawal, also known as Swami Gyan Swaroop Sanand, was an environmental activist and an eminent professor of IIT Kanpur. He fasted unto death, demanding urgent and concrete action for the cleaning and conservation of the Ganga River. Agrawal's demands included halting the construction of hydropower projects along the river and enforcing strict environmental regulations to restore the Ganga’s ecological flow. He passed away on October 10, 2018, after several months of fasting, drawing national attention to the cause of saving the Ganga.
Option (c) is correct: Prof. Agrawal was fasting for the cause of cleaning the Ganga.
