1. A Raa with Fatha or Dhamma on it should be pronounced with a full mouth.كافرون click here to listen to practice
2. A Raa with Kasra under it should be pronounced with an empty mouth.ريحا click here to practice
3. When there is a Fatha or Dhamma before Raa Saakin the letter Raa will be pronounced with a full mouthالقران click here to hear it
4. If there be a Kasra before Raa Saakin the Raa will be read with an empty mouthمرصادا click here
5. When there is a Yaa Saakin before Raa Mawquf (A Raa on which one decides to stop) the Raa will be said with an empty mouth.