Thank you. This article states that “Our main concern…will be with…Brihad Vimana Shastra [and]…Vyamanika Shastra…”
Then: “Of course, a discussion of whether these…aircraft…existed at all is undecideable within the realm of science and is beyond the scope of this paper.”
Here's a refutation of the Vaimanika arguments, by a group of Indian scholars at the Indian Institute of Technology at Bangalore, from 1974. PDF attached to this email.
H. S. Mukunda, S. M. Deshpande, H. R. Nagendra, A. Prabhu, S. P. Govindaraju, "A Critical Sudy of the Work Vymanika Shastra" in Scientific Opinion, 1974:5-12.
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