Saint Ramalingam popularly known as Vallalar, transformed his physical body into the divine grace light through absolute compassion. He insists Jeevakarunyam (the unlimited and unconditional love to all the living beings)is the only way to attain eternal bliss. He also propogated that Universal Brotherhood(Aanmaneya Orumaipaadu) should be felt by all the souls as we the Aatmas (souls) are from Paramatma (the God).
For every soul, the ultimate goal is to attain immortality. He gave a new path to the world, which is the path of Grace Light!
His literary works include both poetry as well as prose. He wrote THIRU ARUTPA in 6 volumes (6 thirumurai) and also his speaches were collected as URAINADAIPAGUTHI which is in prose format while the former is the poetry. He also wrote a great work called "ARUT PERUM JYOTHI AGAVAL", which explained about his whole transformation completely.
He constructed DharmaSaalai and GnanaSabhai in Vadalur.
DharmaSaalai is the home to feed the poor. Here, the continuous feeding of all the living is being done continuosly beyond religion, caste, creed, language, region, status etc., The Stove which Vallalar started is non-stop burning (AnayaAdupu) continuously feeding the poor.
GnanaSabhai is the temple of absolute knowledge. It is constructed in the octagonal Shape and in the centre there present the Jyothi which is closed by 7 colors of curtains. The GnanaSabhai is surrounded with a chain in which the number of links indicate the number of times a human inhales and exhales within 24 hours.
The other significant place is Mettukuppam, a small village near Vadalur. This is the place where Vallalar has transformed his physical body into the Divine Grace Light. This is also called as Sidhivalagam.
He gave to this world MahaManthra as:
Arut Perum Jyothi Arut Perum Jyothi
Thani Perum Karunai Arut Perum Jyothi