We must learn good things from others .
How people are maintaining  cleanliness in their countries. 
Why can't we in our India?
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The Sail
[]
CENTRAL SUBZONE
['must', 'learn', 'good', 'thing', 'others', 'people', 'maintaining', 'cleanliness', 'country', "can't", 'india']
['good', 'good', 'learn', 'good', 'cleanliness', 'good', 'good']
must learn good from people cleanliness their india
must learn good things others people maintaining cleanliness countries india
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat houses."},
    ]

It seems that the post is not related to maintenance report feedback for public flat houses in India. The post is about learning good things from other people's efforts to maintain cleanliness in countries, which is a broader topic unrelated to the specific context of public flat house maintenance in India.