ஆதித்ய ஹிருதயம்
Aditya Hridhayam
Written in both Sanskrit & Tamil. It is for Nithya Paarayanam.
In daily life if this is included in the Prayer, one will definitely see the real relief of all sorrows, setbacks and testing periods. When chanted for 9 times, one can feel the peace of mind and can get clear ideas for their future.