Arya Dravida

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Source
Skanda Purana 

hood

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Sapta Devata

In Pancha Patra normal water will become the Holy Rivers Ganga, Godavari, Narmada, Kaveri, Krishna, Brahmaputra and Yamuna. Water from all these seven rivers will come inside to this ritualistic pathra, which is used during ritualistic worship. ‘Water from these seven Holy Rivers has the ability to attract and transmit the frequencies of Saptadevtas (seven Superior Deities). This water from the ritualistic pot is used for performing the Sandhavandhanam and abhishekam.

The subtle sound frequencies from the ritualistic pot absorb the frequencies of the Saptadevtas in the water and effectively transmit them into the atmosphere. These subtle sound frequencies have a higher speed and expanse, the effectiveness of the frequencies of the Saptadevtas transmitted into the atmosphere through the water of the seven rivers remains in the environment for a longer period. These frequencies are transmitted with the help of the particles of the absolute Water element in the water and the particles of the Absolute Ether element from the sound frequencies in the ritualistic pot, this water can be consumed as tirth (Holy water). By doing so with highest devotion, the Divine frequencies in this tirth activate the five vital energies in the form of gases that are in dormant state surrounding the navel, in the body of the devotee.

https://www.google.com/search?q=Panchapatra

Seven rivers	Ability to attract and transmit which Deity’s Principle ?	Sensation on touching the water	The level of the sagun (Manifest) / Nirgun (Non-manifest) Principle in the water (Note 1)
1. Ganga	Deity Shiva	Cold	Nirgun
2. Godavari	Shriram	Cool	Nirgun-sagun
3. Yamuna	Shrikrushna	Cool-hot	Nirgun-sagun (in equal proportion)
4. Sindhu	Deity Hanuman	Hot-cool	Sagun-nirgun (in equal proportion)
5. Saraswati	Shri Ganapati	Luke warm	Sagun-nirgun (more nirgun when compared with Kaveri)
6. Kaveri	Deity Datta	Hot	Sagun-nirgun
7. Narmada	Devi Durga	Very hot	Sagun

https://www.sanatan.org/en/a/278.html

Saptadevata	Number of flowers to be offered	Arrangement of flowers (Note 1)
1. Shiva	0 (Note 2) or 10	Filled and round (Dormant energy)
2. Shri Durgadevi (Note 3)	1 or 9	Hollow and round (Active energy)
3. Shrikrushna	3	Hollow and elliptical
4. Shriram	4	Hollow and elliptical
5. Hanuman	5	Hollow and elliptical
6. Datta	7	Hollow and rhomboid
7. Shri Ganapati	8	Hollow and rhomboid

Note 1 – By offering flowers in arrangements that attract waves of ichha (Desire), kriya (Action) and dnyan (Knowledge), greater benefit of the associated Deity Principle is obtained. (For example, Dnyan waves are attracted towards a round arrangement; kriya waves are attracted towards an elliptical arrangement.)

Note 2 – Zero means offering nothing

Note 3 – Female Deities are forms of Adishakti (Primal Energy) Shri Durgadevi. Hence, the same arrangement and number (of flowers) should be offered to these Female Deities as offered to Shri Durgadevi. Brahma is not an Upasyadevata (Deity of worship); that is why, the number of flowers to be offered to Brahma and their arrangement has not been mentioned.

https://www.hindujagruti.org/hinduism/hinduism-practices/dev-puja/offering-flowers-to-god

https://www.google.com/search?q=Saptaswara+Devata