I think, before cleaning india by our physical activities we should firstly keep ourselves clean in a mental way. Because if we will know our duties towards our mother earth we will think before taking any step like throwing garbage here and there. also if there will be awareness in all people then they will also stop making this precious earth as a garbage place. we should make dustbins in place to place areas so that people will not throw wrappers and garbage like that anywhere.   by these we can we can keep our earth neat and clean. if our surroundings will be clean and neat then the danger of spreading of various types of diseases will be less. and if spreading diseases will be less then only we can help our salves to maintain good health...  hope helped you dear friend... ;D
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If our India is clean, hygienic it will be a country free from diseases. Garbage attracts mosquitoes, pests, rats, and other disease carriers. They spread diseases like malaria, dengue, yellow fever, etc.  These diseases are communicable diseases, so spread form one person to another. So, a cleaner India, would definitely be a healthier India.
Another benefit we'll get is increased tourism. Tourists admire the beauty but hate the dirtiness in India. So it will also increase tourism. 

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