Arindam is Sanskrit for the man who has won all his enemies. Hindu god Shiva and Krishna also have this name. Even Arjun of Mahabharata and Indrajit of Ramayana have the same name for their bravery and triumph over their enemy.

In Eastern

East India

East India is a region of India consisting of the states of West Bengal, Bihar, Jharkhand, and Orissa. The states of Orissa and West Bengal share some cultural and linguistic characteristics with Bangladesh and with the state of Assam. Together with Bangladesh, West Bengal formed the...

 part of India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

, Arindam is a popular name among the Bengalis.
In Bengali

Bengali language

Bengali or Bangla is an eastern Indo-Aryan language. It is native to the region of eastern South Asia known as Bengal, which comprises present day Bangladesh, the Indian state of West Bengal, and parts of the Indian states of Tripura and Assam. It is written with the Bengali script...

, it is pronounced as "Awe-Reen-Daum".

In Southern

South India

South India is the area encompassing India's states of Andhra Pradesh, Karnataka, Kerala and Tamil Nadu as well as the union territories of Lakshadweep and Pondicherry, occupying 19.31% of India's area...

 India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 God Subramanya

Murugan

Murugan also called Kartikeya, Skanda and Subrahmanya, is a popular Hindu deity especially among Tamil Hindus, worshipped primarily in areas with Tamil influences, especially South India, Singapore, Sri Lanka, Malaysia, Mauritius and Reunion Island. His six most important shrines in India are the...

is referred to as Arindama - Destroyer of enemies.
Arinthamah Kumarascha Guhaskandho Mahabalaaha! is reference in Subramanya Trisathi.