Delhi has 971 PUC centres but the transport department has 28 inspectors and only one available for “ground inspection”.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/current-norms-are-not-enough-enforce-bs-vi-standards-says-epca
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-pollution-control-authority-epca
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pollution-under-control-certification
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bharat-stage-vi
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/auto-technology