The reciting of various chapters of Valmiki Ramayana is prescribed in many scriptures as a remedy for many things .Uma Samhita prescribes reading once a day some canto to the other from Valmiki Ramayana for each Mahadasa. They are:
Ravi: Bala kanda, 73rd chapter
Chandra: Sundara kanda, 5th chapter
Kuja: Bala kanda 36th and 37th chapter
Rahu: Yuddha kanda, 75th chapter
Guru: Sundra kanda, 11th chapter
Shani: Bala kanda, 30th chapter
Budha: Sundara kanda, 35th chapter
Ketu: Ayodhya kanda, 50th chapter
Shukra: Sundara kanda, 36th chapter
Apart from that reciting of the following chapters from Valmiki Ramayana