If bamboo is a tree or timber, it belongs to forest dept; if it is a grass, then it would be classified as a minor forest produce
The definition is contested as the answer has immense economic implications. If bamboo is a tree or timber, it belongs to the forest department and can be auctioned to the paper and pulp industry, often at throwaway rates.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/bamboo-tree-or-grass
[2] http://admin.indiaenvironmentportal.org.in/category/author/sunita-narain
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bamboo
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/benefit-sharing
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forest-conservation
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forest-resources
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forest-rights-act-2006
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/minor-forest-produce
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tribals
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forest-act-1927
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/gadchiroli-d
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra