Tulu is a Dravidian language spoken mainly in the coastal districts Dakshina Kannada and Udupi of Karnataka and Kasaragod of Kerala.
Official language of the Union
Article 343 (1) state that Hindi written in the Devanagari Script is to be the official language of the Union.
Official language Act, 1963 provides for use of English in addition to Hindi for all official purposes of Union and business transactions in Parliament.
Constitution does not specify the official language of different states.
Legislature of each state may adopt any one or more languages used in the state or Hindi as official language of the state.
Until that is done, English will be used as official language of the state.
Most States have adopted major regional language as the official language.
Inclusion in the 8th Schedule
At present, there is no such Criterion for languages to be included in 8th Schedule.
Pahwa (1996) and Sitakant Mohapatra (2003) committees also failed to evolve any criteria.