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This sentence appears to confuse “11 storeys/tiers” with “11 feet wide.” Reliable sources describing the Rajagopuram give the opposite picture:

• The World History Encyclopedia states that the eastern Rajagopuram has 11 stories and stands on a granite base measuring 135 ft by 98 ft.
• Another detailed temple description says the Rajagopuram is 11-storeyed and about 66 metres (217 feet) tall.
• The Tiruvannamalai City Municipal Corporation also gives the tower’s height as 217 ft.

So the number 11 refers to the tower’s storeys/tiers, not its width in feet. Saying the tallest eastern tower is 11 feet wide is plainly incorrect.

The article says Girivalam happens “on the day after every full moon.” Government sources describing Tiruvannamalai’s pilgrimage tradition say otherwise:

• The Tiruvannamalai District official tourism page says that on full moon days and festival days, devotees circumambulate the hill.
• The Tiruvannamalai City Municipal Corporation page likewise says that doing Girivalam on full moon day is especially significant.

So the timing in the article is off by a day: the standard observance is tied to the full-moon day (Pournami), not the day after it.

This date range is incorrect. Tipu Sultan was born in the early 1750s and did not rule Mysore for the whole 1750–1799 period. Reliable sources place his reign in 1782–1799.

• The Victoria and Albert Museum describes Tipu Sultan as the ruler of Mysore from 1782 to 1799.
• Britannica likewise states that he reigned from December 1782 until his death in 1799.

So the article’s wording that he ruled Mysore in 1750–99 is wrong by several decades.