Article 171 of the Constitution of India provides for the establishment of a Vidhan Parishad. The Vidhan Parishad or Legislative Council is the upper house in those states of India that have a bicameral legislature. As of 2017, seven (out of twenty-nine) states have a Legislative Council. They are Andhra Pradesh, Bihar, Jammu and Kashmir, Karnataka, Maharashtra, Telangana, and Uttar Pradesh.

- Vidhan Parishad, Wikipedia as on 24th December 2017

MLCs (Members of the Legislative Council) are elected by the members of the local government bodies, the members of the State Assemblies, graduates as also teachers. Some are also appointed by the Governor. (From the same Wiipedia page.)