If UP and Bihari labourers can work at a lower salary why can the Marathi and the so called "locals" in other states do the same.
If you would care to look a little more closely, the workers from UP and Bihar are mostly in the heavy load bearing work category - which the locals are unable to cater to.
No one employs an outsider until there is a specific advantage. Are the same states of UP, Bihar, Bengal, Assam and Tripura not being in undated by import of cheap labour from adjoining country. If you count their numbers, it will be far greater than all the UP and Biharis working outside as labour.
Finally, India is a land of Indians. SO do not preach locals amoung locals. It is this very divisive feelings which had been the creator of small kingdoms and princely states in the past and which were very easily ruled by invaders from West - both by land and by sea routes.
Learn to live together and work as a team otherwise it will be very easy for another person to break you up.
