Ong nang mang sing wang yang lambhodharaya
Hreem hreem streem subrahmanyaya
Saravanoth bhavaya hreenyoth
Bhavaya kleem sarva vachyaya
Dhana akrushya tham bham huum jhuum
Sham samm athirshta devadaya shanmugaya
Sarva dosha nivaranaya shivaya shivathanayaya
Ishtartha pratayakaaya gum
Ganapathaye klown sham saravana bhavaya vasi vasi
This mantra is in praise of Lord Subrahmanya/Murugan, the son of Lord Shiva & Devi Parvathi. Lord Subrahmanya is known as the one with the spear of victory. He is worshiped as a god of beauty,valor,strength and intelligence. This mantra is to be chanted 36 times daily in the morning while holding a spoon of honey in the right hand. The honey is to be consumed on an empty stomach. Repeating this saadhana for 36 days will help to bring success to all your initiatives. With the blessings of Lord Subrahmanya, the devotee will be able to excel in any examinations, competitions, business,etc.
[Note - This is a mahamantra and hence requires strict saadhana. It is best to start practicing such mantras after proper advice from a guru.]