According to officials of the water resources ministry all three clearances are before different expert appraisal panels of the union environment ministry, under process.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/linking-ken-betwa-may-take-only-year-end
[2] http://admin.indiaenvironmentportal.org.in/category/author/nikhil-m-ghanekar
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-news-analysis-mumbai
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-linking
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/madhya-pradesh
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/uttar-pradesh
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ken
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/betwa
[9] http://admin.indiaenvironmentportal.org.in/thesaurus/environment-clearance-ec
[10] http://admin.indiaenvironmentportal.org.in/thesaurus/forest-clearance
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources