Doubts regarding hierarchy of devathaas

According to Madhvacharya & Dvaita Vedanta, Mahalakshmi has three forms — Sri, Bhu & Durga. But Devi Bhagavatam shows Mahakali herself was manifested FROM Durga. So where does Mahakali stand in Dvaita hierarchy?

Namaskaar everyone 🙏

I've been trying to understand a fascinating but complex intersection between Dvaita Vedanta and Shakta theology, and I have two interlinked doubts.

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'Doubt 1 — Who exactly is Durga in Dvaita?'

According to Madhvacharya's Dvaita Vedanta, Mahalakshmi manifests in 'three primary forms' :

1. Sri — Her form in Vaikuntha alongside Vishnu

2. Bhu — Her form as Earth/Prithvi

3. Durga — Her Shakti form

My earlier understanding was that Durga = Uma/Parvati, i.e., the Shakti of Shiva. But when I opened the 'Devi Bhagavatam', I found something that challenged this —The text describes 'Mahishasuramardini Durga' as an avatar of 'Shodashabhuja Mahalakshmi' (the sixteen-armed form), who is herself one of the three supreme manifestations of Adi Shakti — alongside 'Mahasaraswati' and 'Mahakali'.So does Dvaita hold that 'Durga is essentially a form of Mahalakshmi' and Uma/Parvati is a separate, distinct tattva? Or are Durga and Parvati considered the same being in this framework?

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'Doubt 2 — What is Mahakali's position in Dvaita?'

In the Mahishasura Vadha episode of Devi Bhagavatam, it is described that 'Mahakali and the Saptamatrikas' were manifested by Devi Durga from within herself to aid in battle — meaning they are essentially emanations of Durga.

If we follow the Dvaita logic:

- Durga = a form of Mahalakshmi

- Mahakali = manifested from Durga

Does this mean 'Mahakali is also considered subordinate to Mahalakshmi in Dvaita?'

Or is Mahakali treated as an 'independent tattva' in this school of thought?

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I would appreciate your efforts at resolving these doubts.