The correct answer is: A) Kolathiri kingdom.
Bekal Fort is a 16th-century fort situated in the Bekal village in Kasaragod district in the Indian state of Kerala. It is one of the largest forts in Kerala and is considered to be one of the most important forts in the state. The fort was built by the Kolathiri rulers of the Kolathiri kingdom in the 16th century. The fort was built to protect the kingdom from the Portuguese and the Dutch. The fort is a major tourist attraction and is one of the most visited forts in Kerala.
The Arakkal kingdom was a Muslim kingdom that ruled over the Malabar Coast from the 16th to the 18th centuries. The Ikkeri Nayakas were a Hindu dynasty that ruled over the Karnataka region from the 15th to the 17th centuries. The Zamorin’s Kozhikode was a Hindu kingdom that ruled over the Malabar Coast from the 14th to the 18th centuries.
The Arakkal kingdom was not involved in the construction of Bekal Fort. The Ikkeri Nayakas were not involved in the construction of Bekal Fort. The Zamorin’s Kozhikode was not involved in the construction of Bekal Fort.