Sivagalai is a village in the Tuticorin district of Tamil Nadu, India. Before the separation of Tuticorin from Tirunelveli, Sivagalai came under the control of the Tirunelveli District. It is surrounded by small hamlets, including Nainarpuram, Paramboo, Pottal, Parakiramapandi, Monkottapuran, and Aavarangadu. The district capital, Tuticorin is 30 km away from the village, and Srivaikundam and Eral are 10 km and 6 km away from the village, respectively.