Gayatri Ramayanam is the essence of the entire Vedas and Sri
Rama is Narayana. Chanting the text helps in attaining peace and prosperity.
You can read the Gayatri Ramayana in Tamil in pdf below. The file is provided
by Sunder Kidambi.
There are 24 shlokas in the Gayatri Ramayana. All the twenty four slokas of this stotra have been taken
from Valmiki Ramayanam. They are not taken in an order but in such a way the
first letters of the 24 slokas form the Gayatri mantra.
You can download and read Tamil Gayatri Ramayanam in Tamil.