Fwd: Book Discussion on "MAHĀSALILAM - Nov 22, 2025

[Megh Kalyanasundaram]

---------- Forwarded message ---------
From: Sunder Chakravarty <sunde...@gmail.com>
Date: Thu, 13 Nov 2025 at 10:12 PM
Subject: Book Discussion on "MAHĀSALILAM - Nov 22, 2025
To: Friends of CAHC <Friend...@googlegroups.com>

Invitation: Book Discussion on "MAHĀSALILAM – A Vedāṅga Text on Astral Sciences" (Nov 22, 2025)

Dear Friends, 

You are cordially invited to a discussion on the book:

MAHĀSALILAM - A Vedāṅga Text on Astral Sciences

(Vrddhagārgīya Jyotiṣa 24th Aṅga)

This critical edition and translation is by Prof. R.N. Iyengar (Centre for Ancient History & Culture at the Jain University, Bengaluru) and Shri. Megh Kalyanasundaram (Independent Indologist).

Event Details

Date: Saturday, November 22, 2025

Time: 10:30 a.m.

Venue: The C.P. Ramaswami Aiyar Foundation, 1 Eldams Road, Alwarpet, Chennai 600 018.

About the Book

Mahāsalilam is a part of the Vrddhagārgīya Jyotiṣa, introducing observations and numbers through nearly one hundred questions and explanations. It discusses concepts of astral sciences that evolved into Indian astronomy, traceable to the maghādī era (1800-1600 BCE).

About the Author

Professor R. N. Iyengar is renowned for his contributions to Earthquake Engineering, Random Vibrations, Mathematical Modelling, Structural Dynamics and Nonlinear Systems. He is also a distinguished scholar in Indic intellectual traditions. He has brought out the Parāśaratantra and edited Nāradasilpam, and is currently editing the Vrddhagārgīya Jyotiṣa, of which Mahāsalilam is a part.

We look forward to your participation in this insightful discussion.

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[Sunder Chakravarty]

You are cordially invited to a discussion on the book:

MAHĀSALILAM - A Vedāṅga Text on Astral Sciences
(Vrddhagārgīya Jyotiṣa 24th Aṅga)

This critical edition and translation is by Prof. R.N. Iyengar (Centre for Ancient History & Culture at the Jain University, Bengaluru) .  Shri. Megh Kalyanasundaram (Independent Indologist) will discuss the book with Prof. R.N. Iyengar.

About the Book

Mahāsalilam is a part of the Vrddhagārgīya Jyotiṣa, introducing observations and numbers through nearly one hundred questions and explanations. It discusses concepts of astral sciences that evolved into Indian astronomy, traceable to the maghādī era (1800-1600 BCE).

 

Event Details
Date: Saturday, November 22, 2025
Time: 10:30 a.m.
Venue: The C.P. Ramaswami Aiyar Foundation, 1 Eldams Road, Alwarpet, Chennai 600 018

---

Many thanks to Prof RN Iyengar and Megh for the book and this event. 

Regards

On Thu, Nov 13, 2025 at 10:18 PM Megh Kalyanasundaram <kalyanasun...@gmail.com> wrote:

---------- Forwarded message ---------
From: Sunder Chakravarty <sunde...@gmail.com>
Date: Thu, 13 Nov 2025 at 10:12 PM
Subject: Book Discussion on "MAHĀSALILAM - Nov 22, 2025
To: Friends of CAHC <Friend...@googlegroups.com>

Invitation: Book Discussion on "MAHĀSALILAM – A Vedāṅga Text on Astral Sciences" (Nov 22, 2025)

Dear Friends, 

You are cordially invited to a discussion on the book:

MAHĀSALILAM - A Vedāṅga Text on Astral Sciences

(Vrddhagārgīya Jyotiṣa 24th Aṅga)

This critical edition and translation is by Prof. R.N. Iyengar (Centre for Ancient History & Culture at the Jain University, Bengaluru) .  Shri. Megh Kalyanasundaram (Independent Indologist) will discuss the book with Prof. R.N. Iyengar.

 

Event Details

Date: Saturday, November 22, 2025

Time: 10:30 a.m.

Venue: The C.P. Ramaswami Aiyar Foundation, 1 Eldams Road, Alwarpet, Chennai 600 018.

About the Book

Mahāsalilam is a part of the Vrddhagārgīya Jyotiṣa, introducing observations and numbers through nearly one hundred questions and explanations. It discusses concepts of astral sciences that evolved into Indian astronomy, traceable to the maghādī era (1800-1600 BCE).

About the Author

Professor R. N. Iyengar is renowned for his contributions to Earthquake Engineering, Random Vibrations, Mathematical Modelling, Structural Dynamics and Nonlinear Systems. He is also a distinguished scholar in Indic intellectual traditions. He has brought out the Parāśaratantra and edited Nāradasilpam, and is currently editing the Vrddhagārgīya Jyotiṣa, of which Mahāsalilam is a part.

We look forward to your participation in this insightful discussion.

--
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[Megh Kalyanasundaram]

An absolute delight and an honour to have had the opportunity to spend time with Prof. R. N. Iyengar over the last few days.

Beyond the immediate impact of his original discovery and scholarship on both Indian and global chronologies — which is itself staggering when one comes to think of it — his book Mahāsalilam is, in my humble opinion, one model for what the future (technical) output of any Indology enterprise that aspires to produce scholarship of enduring value should look like: work that lasts far beyond events.

Thank you, Prof. Iyengar, for your truly historic contribution. At 83, your energy, wit, and lucidity — along with your mastery of sources — are an inspiration! 

Atharva Forum Video: Mahasalilam Unearthed: The Oldest Source Text of Bharatiya Astronomy & Astrology | Prof RN Iyengar 

https://www.youtube.com/watch?v=Jh52ucGjiuI&t=01s

Photos from the Chennai book discussion below: https://drive.google.com/drive/folders/15Jji_h4NOZAIais61oFbljQJ2mrXHUDw?usp=sharing

Best,

Megh

[R. N. iyengar]

Dear Megh, I am humbled by your kind words. 

It was a pleasure for me to have participated in the "Book Discussion" on  Mahāsalilam that belongs to all of us. 

Somehow, I had the good fortune to have come across the manuscripts. You did an excellent job in offering your own discussion points and equally so in bringing on to the stage Prof.MD Srinivas for a

scholarly Q&A. Even though Prof. Sriram could not be in person, his written comments read by you and shared with me, are keeping me occupied. The planetary models of VGJ, as developments over the Mahāsalilam by the School of Vrddha-Garga are yet to be published. The learned audience at the CPRI Inst. of Indology was clearly interested in the subject. The questions were all searching and indicated a welcome effort to compare and contrast the present day Jyotisha (astrology) with the most ancient observations and related concepts. Let me thank Dr. Nandita Krishna for the invitation and you - for convincing me to travel to Chennai, literally taking care of me platform to platform. 
dhanyo'smi

RNI

[Megh Kalyanasundaram]

🙏

The pleasure was all mine, and it truly was a privilege to have this opportunity to learn.

I can’t recall when I last saw anyone hand-write six pages — that too with a fountain pen — as Prof. M. S. Sriram had done, and then email them.

Prof. M. D. Srinivas very kindly agreed to be part of, and elevate, the proceedings.

Dr Nanditha Krishna must indeed be thanked for being a very gracious host despite a personal emergency. 

An audience that arrived before time, stayed till the end, and purchased all copies that were for sale, sent across by folks at CSU, courtesy of Hon’ble VC Prof. Shrinivas ji. 

Best, 

Megh 

To view this discussion visit https://groups.google.com/d/msgid/bvparishat/90f29228-4198-43fe-93d0-8729530cd383n%40googlegroups.com.

[Megh Kalyanasundaram]

'Indian Astronomy before Common Era' (Five Day National Workshop 2025 March 23-27)

Entire video-playlist containing 10 videos: 

https://www.youtube.com/watch?v=qiigufghIHk&list=PLnRbqoRbGaa0aeflLaYt0NssoKfMM8rW-

Thank you Prof RN Iyengar, and everyone else who made this accessible. 

Best,

Megh

[Megh Kalyanasundaram]

*2026