You can look into works of later jyotish acaryan Lohani of Almora. There is extensive explanation of abhishtadevata cayana in his works.

Olá, Sr. Tivra ji, please grant this last favour to this stubborn soul and set it free, please answer my previous question regarding saptshati chandika hrudyam, gupt saptashati and Lalitha trishati triangle count 9 0r 10. Please forgive me forgive me for still being this stubborn. I just want free myself from material obligation and in peace follow this higher path of arul. Thank you very much.

over here in the 13th sloka āyutasaṅkhyābhiḥ is 10 000 in instrumental feminine plural, not 210000 as in translation to English, so purascarana is much shorter.

Plz plz plz I request you to provide atleast one authentic mantra of Kaal Bhairav plz with nayasas I request you wholeheartedly

The second volume of the book I posted contains an interpretation of most of the verses of the Jothi Agaval hymn. You will not truly understand or be able to contemplate the Jothi Agaval until you have read both books slowly and attentively. By the time you reach the Jothi Agaval in Volume II, you will already have acquired the necessary knowledge and understanding to contemplate it deeply. The Jothi Agaval is like a “Sahasranama” of the Ineffable Shiva.

The practice is as follows: read the two books I will post slowly, carefully, and from beginning to end. You need to read both books in their entirety because Vallalar’s practice is centered on creating a great inner fire through contemplation, an intensity said to be millions of times greater than what yogis attain through thousands of years of austerities. After reading both books, you should focus exclusively on two things: the Arut Perum Jothi Mantra and the song “Jothi Agaval.” The Jothi Agaval is like the “Sahasranama” of Arut Perum Jothi. If you contemplate this song every day, you will begin to understand the deeper meaning of the Mantra and create a great inner fire that will gradually begin to burn away all the veils that obscure your Soul. You are not supposed to merely recite the Jothi Agaval. Instead, contemplate the meaning of each verse. This is what creates the great inner fire. The complete contemplation may take around three hours. If you prefer, you can meditate on the verses gradually, one by one, over the course of several months. Then, once you have absorbed them individually, you can contemplate all the verses together in a single sitting. If you truly understand what you are reading in the Jothi Agaval, you will kindle a great inner fire, and the Mantra will become immensely more powerful because you will understand its meaning and essence. In my own experience with the Jothi Agaval, there were many tears of relief. It moved me very deeply, as though my Soul had been searching for this all along. Recite the Mantra only a small number of times, and place much greater emphasis on contemplating the Jothi Agaval. This is the great secret, the “Sahasranama” of Arut Perum Jothi. The power is not merely in the words, but in the profound contemplation contained within this song. Here is the link: https://drive.google.com/drive/folders/16_6tyQPOntNoOJZu8uyIldv2QEwtQiOJ?usp=sharing

greetings Tīvra. you have mentioned the attitudes of pure love and compassion and cultivating needed for the path that Vallalar showed us. Although we try our best to be compassionate and loving, the world is just so dark and desolate that we end up hurting things or people accidentally/unintentionally. Furthermore, the journey seems a lonely one - meaning it will not be well received by communities around us which are deeply sunk in age old traditions and religions beliefs and superstitions. How do we get started ? And how do we not lose hope and light, despite the apparent darkness and twilight ? How do we protect ourselves from the ills of the world as we work on ourselves ? I am close but I need guidance

Namaste Tivra ji. Am greatful to you for all your guidelines, instructions. You are established in Arul & much more. If it's fine then please describe your experiences. How does it feel like being one with The Whole? Is there anything beyond this undescibable thing? Please share your vision about us in nearest future. Pranaam.

Namaste tivra ji, you said "This is the highest teaching I can offer" we are very thankful in past, present and future even if you don't have anything higher to offer, you simply talking with me i would still consider this highest offering.

Tīvra ji thank you for your answer, sorry for continuously troubling you with questions can you please grant a last favour to me if possible, 1). Tivra ji you've said something very interesting currently mother play with her own light so as to not harm the creation, tivra ji once i attain 3 immortal bodies and integrate them into one body and attain grace will i be able to play with mother in her full light equally or will I have to wait for all of her kala to manifest here? 2). Tivra ji as you've explained human psychology desire to suffer which i also agree with. Can i simply ask/ request mother lalita maha tripura sundari to have the desire that this devotee of mine should fully realise me because once mother has decided this nothing can stop it even karma. When i tried it felt a bit arrogant and egotist can please offer your guidance. 3) Tivra ji, in lalita trishati 9 triangle mentioned for devotee who want it's full fruit but Tivra ji you've reveal that there is one more upward traingle with bindu in it within bindu should i also consider/add this totality 10 triangle or should i stick to traditional 9 triangle. Lastly, 4) Tivra ji, can you please proof read this saptashati chandika hridyam stotra for any error as I don't want harm myself https://docs.google.com/document/d/1L6Icf3fZQc6lMfehO0Lu_1FCSLd-bCDpXDa81vXhYyI/edit?usp=drivesdk additionally can you explain what is it mean and what is happening here, "ॐकार श्रींकार हस्ते ! आं क्रीं अग्निपात्रे ! द्रां शोषय शोषय , प्लुं प्लावय प्लावय , क्लीं ब्रीं सुकुमारय सुकुमारय , प्लुं नाशय नाशय , सीं उन्मादय उन्मादय , ग्लौं मोहय मोहय , ह्रीं मां ह्रीं आवेशय आवेशय , श्रीं प्रवेशय प्रवेशय , स्त्रीं आकर्षय आकर्षय , हुं हुं हुं फट अतीतानागत वर्तमानान दिशं विदिशं , ऐं ह्रीं श्रीं श्रावय श्रावय , सर्वं प्रवेशय प्रवेशय , त्रैलोक्यं वशवर्ति , ऐंकार वशी कुरुष्व , ऐं ह्रीं स्त्रीं द्रावय द्रावय , सर्वं प्रवेशय प्रवेशय , ऐंकारचितां वशं कुरु वशं कुरु" 5) Tivra ji is this gupta saptashati same as one mentioned in kilak stotra and mentioned in argala stotra last line "saptshati named stotra was Concealed/hidden by mahadeva" "saptshati namak mahastotra" https://docs.google.com/document/d/1jdfLDJynl26D0m_VCdfRza6o2JPThzTQrDbIBxU-FtQ/edit?usp=drivesdk. Sorry to bombarding you with so many questions. Thankyou very much for helping me.