Explanation: Divyadesams are a set of 108 sacred Vaishnavite temples in South India, particularly revered in the Vaishnavite tradition. These temples are mentioned in the works of the Alvars, the 12 poet-saints of South India, who composed devotional hymns in praise of Lord Vishnu. Each Divyadesam has a unique name and significance, often associated with specific Alvars and their hymns.
Thirupper Nagar, located in the Kanchipuram district of Tamil Nadu, is one such Divyadesam. It is known as Indragiri, a name that has a mythological and historical significance. The term "Indragiri" is derived from the name of the king of gods, Indra, and is believed to be associated with a legendary event where Indra worshipped Lord Vishnu at this location. This connection to Indra gives Thirupper Nagar its unique name and distinguishes it from other Divyadesams.
The confusion among the options can arise due to the similar-sounding names of Divyadesams and the prominence of some of these temples. For instance, Srirangam is a well-known Divyadesam due to its Ranganathaswamy Temple, which is one of the most important Vaishnavite sites in India. Thirukkovalur and Thirukkoodalur are also significant Divyadesams, but they are not known as Indragiri.
Understanding the specific names and their associations is crucial in identifying the correct Divyadesam. Thirupper Nagar, being known as Indragiri, is the correct answer due to its unique name and the mythological significance associated with it. This knowledge is essential for students preparing for competitive examinations like TNPSC, UPSC, and other state PSCs, where questions on the geography and significance of Divyadesams are common.
In summary, Thirupper Nagar is the Divyadesam known as Indragiri, and this name is derived from its mythological connection to Indra. This specific name helps distinguish it from other Divyadesams and is an important piece of information for students studying Tamil Nadu's cultural and religious heritage.