Option 1: The Nalayira Divyaprabandham was also known as the Tamil Veda. This statement is correct. The Nalayira Divyaprabandham is a collection of 4,000 Tamil verses composed by the Alvars, who were the earliest exponents of the Bhakti movement in South India. This collection is considered to be as important as the Vedas in Tamil Nadu.

Option 2: Andal was an Alvar. This statement is correct. Andal is one of the 12 Alvars and is considered to be a prominent figure in the Bhakti movement. She is known for her devotional poetry and for her deep love and devotion towards Lord Vishnu.

Option 3: Alert - correct answer should be Karaikkal Ammaiyar was a devotee of Shiva. Karaikkal Ammaiyar was a female poet-saint who lived during the 6th century and was a devotee of Lord Shiva. She is known for her devotional hymns and is considered to be one of the earliest female saints in South India.

Option 4: Metal images of the saints Appar and Sundarar were made and then consecrated in a Shiva temple.