What will happen in WTC if India draw or lose the fourth Test against Australia?

If India draw the last Test against Australia in Ahmedabad, their percentage of points won will drop to 58.79%. If they lose the Test, their percentage of points won will drop to 56.94%. In that case, India would've to rely on result of New Zealand-Sri Lanka Test series. If Sri Lanka fail to whitewash New Zealand, India will reach final.