I believe the answer is that it's undoubtedly non-factual. The linked text confuses the terms the manuscript tries to discuss. I am positive that the Bhagavata passage is a reiteration of a much older concept.
I will address the claims in the text mentioned by this question one by one.
Bhagavata Purana is not 5100 years old. There is some dispute but it is ...
By the highly sophisticated supernatural trick known as "peeking".
Blindfolding is a notoriously unreliable way of blocking vision. Unless you used a semi-rigid blindfold, molded to fit the face, there will always be gaps around the nose.
This brief history of the Blindfold act shows it goes back centuries:
The Blindfold Act (or Sightless Vision, Seeing ...
The words "Hakenkreuz" and "swastika" describe one and the same symbol, one time in Sanskrit and English, one time in German. Some believe that this 'is' an ancient Germanic symbol, some that it 'is' an ancient Indic. Both these schools argue with archaeology and unbroken tradition, Both claim that this is inherited from a not ...
What the text says
There is an English translation of The Aryabhatiya with notes is available online.
Regarding the spherical Earth, the text says (page 64 of the book)
The sphere of he Earth, being quite round, situated in the center of
space, in the middle of the circle of asterisms, surrounded by the
orbits of the planets, consists of water, ...
Cow urine is considered a best remedy for all diseases in Ayurveda.
INNOVATIVE NATUROPATHY COW URINE AND HERBAL EXTRACTS: A TRAILBLAZER REMEDY
By Dr. Farida P. Minocheherhomji
Ayurveda is an aspect of Hinduism.
The book explains that cow urine is significant in Hinduism, Jainism and Zoroastrianism.
See also The Materia Medica of the Hindus: Compiled ...
The precise claim is still quite vague to me. What exactly is meant by "Hindu ancestry"? It isn't like there is some specific Hindu gene we can test for, as far as I can tell. If the details are spelled out anywhere in the linked resources, I'm not seeing it.
That said, there is some relevant genetic research. In particular I would point to "...
You don't need to know Hitler's inner motives. They were quite out there. To be more precise, the motives to use swastikas were out there for Coca-Cola, Boy Scouts and California fruit producers. The Man Who Brought the Swastika to Germany, and How the Nazis Stole It
The motives were so out there that they disprove what your linked site wanted to prove. It ...
The statue does not depict a Brahmin begging in front of Mary. It depicts the story of Our Lady of Good Health, a 16th century apparition of Mary to a shepherd boy, who would have been of a lower caste.
You may see a similar diorama on the official website of Our Lady of Good Health (scroll down).
Yes, this text matches some knowledge about embryos, but it's not scientific knowledge. This information could have been acquired through simple observation.
In one night it becomes a lump; by the fifth night round; by the tenth
day like the fruit of the jujube tree, and after that an egg of flesh.
By the first month the head, by the second the ...
5.The speed of light has been accurately mentioned in Rigveda
The speed of light is not mentioned in the Rig Veda.
Instead, as stated in footnote b of page 132 of Rig-Veda-sanhita (1850)
Sayana says, that, according to the Smriti, the sun moves 2,202 yojanas in half a twinkle of the eye.
So, a commentary by Sayana on a traditional commentary ...
(This answer is only to the original part of the question, concerning 3 verses of the rig veda).
An earlier version of the claim was printed in the 7 November 2015 Hamara Prayas: The Monthly Tabloid of A. P. Mahesh Co-operative Urban Bank Ltd. Volume V, issue 11. However, instead of "18.104.22.168" (which doesn't exist) the printed version says "3.59.1" and ...
The specific Australian ad involved lamb and there is a tradition of offering a lamb's head to Ganesha.
According to Fact and Theory in Social Science (1964) at pages 213-214:
Still later in the winter comes Magh Cauth. ... A figure of a lamb , made of sugar , is brought to the sanctified place . When the moon is rising , the younger brother of the father ...
The claim that RSS is offering 500000 to Muslims first appeared after the "Agra religious conversions 2014" incident. Wikipedia says:
On 8 December 2014, Hindu nationalist groups affiliated to the Rashtriya Swayamsevak Sangh (RSS) were reported to have converted 250 Muslims to Hinduism in Agra. The incident was condemned by all the opposition parties. The ...
The roundness of the Earth was well-known in Greek Antiquity. For example, Aristotle gives three different arguments, circa 350 BCE. Besides the three in that article, he is apparently also responsible for the observation that ships disappear from the hull first. This suggests to me that any civilization capable of ocean navigation will come to the same ...