To get to the second wheel that opens the trident gate at the waterfall in The Western Ghates in Uncharted: The Lost Legacy start at the first wheel near the gate and go down the stairs. Climb up the building to the right and follow the corridor to the end.
For the third wheel start from the first wheel, go down the stairs and climb up the building ahead.
For the fourth wheel start from the first wheel, go down the stairs and past the building that had the third wheel on it. Climb up the tall building ahead and jump to the following building.
For the fifth wheel start from the first wheel, go past the building with the fourth wheel on the right and jump down. The wheel is on the left side of the building ahead.