Ministry of Urban Development and Poverty Alleviation has issued a guidelines for greening of urban areas and landscaping in Delhi.The guidelines provides that unnecessary and excessive tilling of the roadside pavements should be avoided.
Links:
[1] http://admin.indiaenvironmentportal.org.in/reports-documents/guidelines-greening-urban-areas-and-landscaping
[2] http://admin.indiaenvironmentportal.org.in/category/publisher/ministry-urban-development-and-poverty-alleviation
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urbanisation
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-beautification
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[7] http://admin.indiaenvironmentportal.org.in/category/place-publication/new-delhi-0
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/trees
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/habitat-and-urbanisation