Solutions

Two persons sit between U and P, who is an immediate neighbour of T.
U sits at one of the extreme ends of the row.

Two persons sit between P and S.
R sits second from S.
By this condition, case 1a & 2a are eliminated.

P faces north. The immediate neighbours of V facing the opposite direction of V.
Both the persons sitting at the extreme ends face the opposite direction to each other.

P faces the opposite direction of T.
Q sits right of T.P sits to the right of Q.
No two persons facing south sit next to each other.
By this condition, case 2 is eliminated.
