The correct option is B Kirtan
Sant Gadgebaba was a mendicant saint and a social reformer from the state of Maharashtra. He lived in poverty and wandered to different villages promoting social justice and initiating reforms, especially related to sanitation. He conducted his discourse in the form of kirtans in which he emphasized values like services to humanity. Through his kirtans, he guided people about the importance of cleanliness and sanitation and also stressed the importance of keeping the village clean.