Unlike most of West Bengal, Hooghly district, where the Singur block is located, has never been a stronghold of the Left parties. Even before the Singur crisis, the ruling Communists had been kicked out of several panchayats in the Singur block.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/ground-zero-1
[2] http://admin.indiaenvironmentportal.org.in/category/author/kushan-mitra
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-today-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/land-acquisition
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hoogly
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/singur
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/farmers
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/compensation
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/auto-industry
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tata-motors
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-bengal