POWERFUL MANTRAS

NAVGRAH MANTRA
Describing the significance of worshipping Navgraha (nine planets), Lord Vishnu told Rudra --'One who worships the Navgraha with appropriate rituals attains all the four 'purusharth' (objectives of man's life)- dharma (religion), artha (money), kama (sex), and moksha (salvation).' He then went on to give various mantras related with the Navgrahas, which a devotee should chant while worshipping them --
Surya (Sun) -- Om Surya Murtaye Namah.
Om Hram Hrim Sah Suryay Namah.
Chandrama (Moon)-- Om Somay Namah.
Bhaum (Mars)-- Om Bhaumay Namah.
Buddh (Mercury)-- Om Buddhay Namah.
Brihaspati (Jupiter)-- Om Vrihaspataye Namah.
Shukra (Venus)-- Om Shukray Namah.
Shani (Saturn)-- Om Shanaishcharay Namah.
Rahu (Dragon's Head)-- Om Rahave Namah.
Ketu (Dragon's Tail)-- Om Ketave Namah.

SHIVA MANTRA
There are various mantras used in the rituals of Shiva worship. A devotee should begin by worshipping the 'Asan' (the pedestal) on which the deity is seated. There is a specific mantra for this particular ritual- Om Hram Shivay Namah. Subsequently, a salutation to lord Shiva is made by chanting - Om Shiva Murtaye Namah. A special ritual named 'Shadanganyas' is then performed by chanting different mantras associated with the specific parts of the deities' body such as -
Om Hram Hridayay Namah,
Om Hrim Shirse Swaha,
Om Hoom Shikhayai Vashat,
Om Hraim Kavachay Hoom,
Om Hraum Netra Trayay Vaushat,
Om Hrah Astray Phat.
Having accomplished the above mentioned rituals, a devotee should then worship each of the five faces of Shiva by chanting the following mantras -
Om Hram Saddyojatay Namah
Om Hrim Vamdevay Namah,
Om Hoom Aghoray Namah,
Om Hraim Tatpurushay Namah,
Om Hraum Ishanay Namah.

VISHNU MANTRA
While worshipping Lord Vishnu, first of all a devotee should worship the 'Asan' of the deity by chanting--
Om Vasudeva Asanay Namah.
He should then make salutations to Lord Vishnu by chanting the following mantras--
Om Vasudevay Murtaye Namah,
Om Aim Om Namo Bhagavate Vasudevay Namah,
Om Am Om Namo Bhagavate Sankarshanay Namah,
Om Aim Om Namo Bhagavate Pradyumnay Namah,
Om Ah Om Namo Bhagavate Aniruddhay Namah
Subsequently, a devotee should worship the various incarnations of Lord Vishnu, his weapons as well as his different mounts by incorporating the rituals of 'Shodashopachar' and by chanting the following mantras--
Om Narayanay Namah,
Om Tatsad Brahmane Namah,
Om Hoom Vishnave Namah,
Om Hraum Namo Bhagavate Nrisinhay Namah,
Om Bhuh Om Namo Bhagavate Varahay Namah, etc.

SARASWATI MANTRA
A devotee should begin his worship by making salutations to goddess Sarswati by chanting-- Om Hrim Sarswatyai Namah.
He should then perform the rituals of 'Shadangnyas' by chanting the following mantras-- Om Hram Hridayay Namah,
Om Hrim Shirse Swaha,
Om Hoom Shikhayai Vashat,
Om Hraim Kavachay Hoom,
Om Hraum Netra Trayay Vaushat,
Om Hrah Astray Phat.

LAKSHMI MANTRA

A devotee desirous of acquiring wealth and prosperity must worship Goddess Lakshmi with appropriate rituals. He should begin by making salutations to the goddess by chanting the following mantra --
Om Srim Hrim Mahalakshmyai Namah.
Then follows the rituals of 'Shadangnyas' that is performed by chanting the specific mantras meant for them.