Hi Sue-per.....The best procedure is probably to follow the little rat from room to room.
There are other thoughts on this as follows:
WARNING SPOILER:
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,There is no apparent step-by-step solution to successfully navigate the Lotus Pool Maze. It appears rather, that you need only to wander about the maze for approximately ten real-time minutes.
Note: Road to India players have offered that they found it easier to navigate the maze by keeping the tinging bell noise in the center each time they moved. Others have suggested that if you listen carefully to whether the tinging bell is coming from your left or right stereo speaker, that is the direction you should go. The most effective and apparently the correct method, is to follow the little rat you see scampering from room to room. The doorway where he stops leads to the hallway you need to enter next. Just keep following him.
You will find the
Road to India Walkthrough here. best wishes, Witchen =O)