1. The poor agriculturists consisting from Nepal and Chhota Nagpur plateau in the tea gardens of Jalpaiguri, Darjeeling and Cooch Behar and the last consisting of immigrants from northern Bengal. Santhal Parganas and Assam into Birbhum, Malda and West Dinajpur, In U.P the demand for industrial labour is less than in the state of west Bengal, Maharastra and Gujarat. Because of the lack of the industrial development to the extent. In the state, the most industrial centers are Kanpur, Lucknow , Allahabad , Ferozabad, Modinagar, Varanasi, Meerut, Ghaziabad, Agra , Saranapur, Moradabad etc. The labourers are mostly are Mohammedans and charmars .