Here is proof that it is almost impossible for a project put up for clearance to be really rejected by the environment ministry.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/environment-ministry-clears-projects-it-had-once-held-back
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[4] http://admin.indiaenvironmentportal.org.in/thesaurus/environment-clearance-ec
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-environment-and-forests-moef
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-supply
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/thane-d
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/trees
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/deforestation
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tribals
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sanctuaries
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/western-ghats
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dams
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[16] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forests
[17] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chhattisgarh
[18] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coal