Nagaraja mantra is chanted to alleviate all kinds of problems that human beings face from nature. The problems include not having children, skin diseases and various allergies. Here is the famous Nagaraja Moola Mantra in Malayalam.
ഓം നാഗരാജായതേ നമഃ
Om Nagarajayate Namah
Chanting this mantra will help solving all kinds of problems couples are facing regarding child birth.
The mantra is also chanted for curing skin diseases and for
attaining peace and prosperity in life.
The mantra should be chanted on Sundays or when there is
Ayilyam Nakshatra in a Hindu calendar.
Offering prayers in naga temples and also in Shiva temples
is highly meritorious.
The mantra should be chanted 108 times. It should be done for 41 Sundays or on all Ayilyam Nakshatra in a year.