The Rajya Sabha (meaning the "Council of States") is the upper house of the Parliament of India. Arunachal Pradesh elects 1 seat and they are indirectly elected by the state legislators of Arunachal Pradesh, since 1972. The number of seats, allocated to the party, are determined by the amount of seats, a party possesses during nomination and the party nominates a member to be voted on. Elections in within the state legislatures are held using Single transferable vote with proportional representation.
Current Members (2015)
Source: Parliament of India (Rajya Sabha)
The list is Incomplete.
References
List of Rajya Sabha members from Arunachal Pradesh Wikipedia(Text) CC BY-SA