: a torpedo-shaped protective device with serrate teeth in its forward end used underwater by a ship in mined areas to sever the moorings of mines.

What is Paravan caste in Kerala?

In Kerala, Paravans are part of Hindus caste unlike Tamil Nadu. They are inland fishermen, mostly found in central and southern parts of the state. The President of India, K. R. Narayanan, served from 1997 until 2002 and was born to a Paravan family of Kottayam, Kerala.

What are the 4 caste in India?

The four classes were the Brahmins (priestly people), the Kshatriyas (also called Rajanyas, who were rulers, administrators and warriors), the Vaishyas (artisans, merchants, tradesmen and farmers), and Shudras (labouring classes).