7th avatar or incarnation of God-Vishnu

To facilitate avatar of Lord Rama,

1. 7 suns, 
2. 7 oceans, 
3. 7 spheres or lokas, 
4. 7 devas,
5. 7 cosmic Gods, 
6. 7 cosmic vehicles,
7. 7 shaktis 

all together brought about a 9 day non-stop ‘mantramanjaree’ of ‘Aum shree Rama’. The 7th reincarnation of Lord Vishnu, Lord Rama was born on the 9th day of vedic month Chaitra